Team | BLE

Leadership

Thomas Lammons, P.G., CHMM

Principal Hydrogeologist & CEO

Mr. Lammons is a founding Principal and CEO of the firm with over three decades of professional experience...

in Hydrogeology, Environmental Regulatory Consulting, and Petroleum Geology. His professional experience includes leadership of technical, science and engineering teams at the project, regional and corporate levels. He has performed environmental site assessments, due diligence consulting, Brownfield redevelopment consulting, UST and contaminant source closures, groundwater and soil remediation, solid waste facility (Subtitle D) siting studies, stormwater and SPCC Plan preparation, regulatory consultation for hazardous waste compliance, fugitive air emission inventories and Title V Permitting. He holds a B.A. in Geology from Furman University, an M.S. in Geology from the University of Mississippi and post-graduate studies in hydrogeology and environmental compliance from Oklahoma State University. Mr. Lammons is a registered Professional Geologist in SC, NC, GA, VA, TN, AL and FL and a Certified Hazardous Materials Manager (CHMM).

Tom lives in Greenville, SC with his wife, Debbie, of 36 years. They spend time traveling, visiting with their sons, grandchildren, families, and friends, serving in ministries, cycling, skiing, and hiking.

Daniel Bunnell, P.E.

Principal Engineer & President

Mr. Bunnell is a Principal and President of the firm with over three decades of consulting engineering experience.

Mr. Bunnell began his career in Florida as a geotechnical and geotechnical construction materials engineer involved in a variety of large commercial, industrial, ports, and Defense Department Projects. He has managed a geotechnical laboratory and a construction engineering department. He moved to South Carolina in 1987 as the Principal Engineer and Manager of a branch office of an international engineering firm. He co-founded BLE with Mr. Tom Lammons, P.G. in 1996 and continues to serve as a Principal and President. Mr. Bunnell continues to provide geotechnical engineering consulting services on a variety of projects with a concentration on long-time clients within the solid waste industry. He has been involved in various stages of the siting, geotechnical analysis, and construction quality assurance monitoring of municipal, industrial and construction-demolition landfills for several hundred-successful solid waste landfill projects since 1991. Mr. Bunnell directs the activities of BLE’s solid waste technical and engineering staff. Mr. Bunnell received a B.S. in Civil Engineering from Purdue University and a Masters of Engineering with a concentration in Geotechnical Engineering from the University of Florida. Mr. Bunnell is a licensed professional engineer in 15 states.

He lives in Greenville, SC with his wife of 39 years. He enjoys cycling the beautiful back roads and mountains of the Carolinas, spending time boating, fishing, and skiing with family and friends, and spending time with his children, their spouses, and the grandkids.

Featured Experts

Andrew Alexander, P.G.

Consultant Hydrogeologist

Mr. Alexander has over 30 years of experience as a professional hydrogeologist providing consulting services for broad...

spectrum of clients.

Mr. Alexander’s specialty services include environmental monitoring, assessment, and remediation of contaminated soil and groundwater, waste profiling and waste management, water resource investigation, stormwater and spill prevention plans, environmental permitting, water quality monitoring plans, landfill gas monitoring plans, and geotechnical support services.

Mr. Alexander has served in various managerial and technical capacities over the history of the company.

Mr. Alexander holds a B.S. in Geology from the University of South Carolina and is a licensed professional geologist in Louisiana, Mississippi, Alabama, Florida, Georgia, South Carolina, North Carolina, Tennessee, and Indiana. Mr. Alexander is also a Registered Site Manager in the state of North Carolina.

Mr. Alexander lives in Simpsonville, South Carolina with his wife of over 30 years. They have two grown children. Mr. Alexander coached youth sports and was a Boy Scout leader for more than a decade. When not a work, Mr. Alexander can be found on the golf course where he served on the board of directors as the Director of Planning and Projects at Fox Run Country Club for 6 years and provided project management and consulting for more than a decade.

Trevor Benton, P.G.

Department Manager
Environmental Services

Mr. Benton is a senior project leader and client manager with over 20 years of professional environmental consulting...

experience. He has extensive experience managing a variety of environmental projects including: assessment and remediation at leaking underground storage (LUST) sites, subsurface geological and hydrogeological investigations, pre-purchase risk assessments for portfolios of petroleum retail facilities, Phase I/II Environmental Site Assessments, brownfields, commercial and industrial facilities, and solid waste landfills throughout the Southeast. He works closely with clients and state regulators to ensure projects meet both timeline and budgetary considerations. Mr. Benton holds a B.S. in Environmental Geology from Clemson University and is a registered Professional Geologist in SC, NC, and GA.

Mr. Benton enjoys golf, hiking, snow skiing, and rooting for the Clemson Tigers. He lives in Greenville with his wife, two children, and yellow Labrador Retriever.

Matt Christie, P.E.

Senior Engineer

Mr. Christie is a Senior Engineer with BLE’s Construction Services department. With more than 20 years of experience, he has worked...

as a Construction Services engineer on large industrial, commercial, and residential projects across the country. He is responsible for the management of construction materials testing and special inspections projects, including coordinating the engineering technicians and managing all project data. Throughout his career, Mr. Christie has been involved with large DOT projects, many industrial projects, and multiple 1,000,000+ square feet regional distribution centers.

Mr. Christie holds a B.S. in Civil Engineering from Clemson University and is a registered Professional Engineer in South Carolina. Mr. Christie is a native of the Greenville area where he currently resides with his wife, son, and dog. He and his wife enjoy spending time watching their son play baseball and football and they spend most summer weekends at the lake or ball field. As a graduate of Clemson University, Matt is all in for the Tigers and enjoys cheering them on year-round!

Nathan Daniel, P.E.

Environmental Systems Engineer

Nathan Daniel provides support to the environmental compliance program within the environmental division of BLE. He...

possesses a strong level of experience within the chemical manufacturing and industrial sector. His primary specialization involves providing streamlined solutions and continuous improvement initiatives for all aspects and impacts surrounding air, waste, and water.

Mr. Daniel holds a B.S. in Environmental Engineering and M.S. in Systems Engineering from Southern Methodist University, and is a registered Professional Engineer in South Carolina.

Mr. Daniel loves music, especially playing guitar. You can often find him around Greenville playing open mic nights at local venues. He resides in Greenville with his wife.

Raphael Debaty, E.I.T.

Staff Engineer

Raphael Debaty is a Staff Engineer who works primarily in the solid waste engineering department. He is responsible for the...

performance of on-site construction quality assurance (CQA) monitoring, testing, and reporting of the construction of municipal solid waste landfills and construction and demolition landfills. Mr. Debaty’s experience includes quality assurance/quality control of engineered earth fills, soil classification testing, field monitoring, and density/moisture testing.

He holds a B.S. in Environmental Engineering from the University of Vermont and currently has his Engineer-in-Training certification.

After living in various states and countries, Mr. Debaty made his way back to his hometown of Greenville, SC in 2018. He enjoys an outdoor lifestyle, playing soccer, hiking, climbing, kayaking and camping, as well as spending time with friends and family.

Shelly Faulkenberry

Corporate Office Manager

As the Corporate Office Manager, Mrs. Faulkenberry ensures the daily operations run smoothly and efficiently. In addition...

to overseeing the Administrative staff and operations, she is involved with payroll, event planning, accounts payable, purchasing, and vendor contracts. Mrs. Faulkenberry also provides administrative support to the Controller and Principals. She has over 8 years of experience with Bunnell Lammons Engineering.

Mrs. Faulkenberry has a B.S. in Business Administration from the University of South Carolina.

Shelly lives in Simpsonville, SC with her husband, daughter, and two dogs, Layla and Lilly. She enjoys traveling, fitness and nutrition, and cheering on the Gamecocks.

Tyler Fletcher

Project Manager
Tank Compliance and Testing

Tyler Fletcher manages tank compliance and testing services at BLE. Tyler...

was an intern with BLE for 6 months while completing his B.A. in Communications from USC Upstate, and has been employed full time since graduating in 2015. Since joining BLE, Tyler has experienced many aspects of environmental field work including groundwater sampling, Phase 1 ESAs, monitoring well installation and remediation system operations. In addition to his tank compliance and testing responsibilities, Tyler assists in additional environmental field duties including developing Spill Prevention Control and Countermeasures (SPCC) Plans and Property Condition Assessments (PCAs).

Tyler is a member of multiple associations across the Upstate including the Greenville Chamber of Commerce, Pulse Young Professionals, Spartanburg Area Chamber of Commerce, Spartanburg Young Professionals (SYP), Greater Greer Chamber of Commerce, and Upstate SC Alliance. In addition to the local associations, he is also an active member in the South Carolina Petroleum Marketers Association (SCPMA) and Carolinas Air Pollution Control Association (CAPCA).

Tyler enjoys Ohio State football and spending time with his wife and two little girls. He and his wife are very active in their local church and enjoy serving in the student ministry program.

Richard Hall

Controller

Mr. Hall oversees the financial functions of the company as Controller, including the management of billing,...

Brent Hoffman

Assistant Controller

Brent Hoffman joined BLE in 2018 as Assistant Controller. Mr. Hoffman assists the Controller with various financial functions...

including daily cash applications, fixed asset accounting, fleet expense accounting and sales tax returns. Additionally, he serves as the point person for FAR analysis for DOT projects. Mr. Hoffman holds his MBA from Winthrop University and a B.S. from Clemson University.

When he is not working, Mr. Hoffman enjoys playing golf, and course, pulling for Clemson Tigers. He resides in Simpsonville, SC with his wife and daughter.

W. Bryan Howard, P.E.

Branch Manager
Columbia

Mr. Howard is the Branch Manager for BLE's Columbia, SC office. With more...

than two decades of experience, he manages all BLE’s transportation related projects, ensuring that SCDOT, city and county requirements are met with regards to roadway design, pavement design, geotechnical engineering, and quality control. His project experience ranges from residential infrastructure development to interstate highways and county contract management.

Mr. Howard previously served as manager for the firm’s Asheville, North Carolina branch office from 2005 to 2011 where he was responsible for project quality assurance, marketing, and overall office management. He returned to BLE’s corporate headquarters in Greenville, South Carolina in 2011. Bryan holds a Bachelor of Science degree in Civil Engineering degree from Clemson University and is a registered Professional Engineer in SC and NC.

Bryan enjoys golf, softball, canoeing and Clemson football. He was born and raised in Greenville, SC where he still lives with his wife, two daughters, and two Golden Retrievers.

Ivan Irizarry

Staff Geologist

Mr. Irizarry serves as a Field Geologist and equipment manager for Bunnell Lammons Engineering. During his 11 years of...

experience, his technical practice has included field oversite and coordination, groundwater and soil impact assessments, soil vapor testing, statistical analysis, GIS and remote sensing based assessments, and database management. Additionally, Mr. Irizarry provides calibration and equipment management and repair for the environmental and solid waste departments. He performs multiple projects concurrently within strict timeframes, scope/budget expectations, and high-quality standards for project deliverables. Mr. Irizarry holds a B.A. in Environmental Science and Biology from Furman University.

Mr. Irizarry is a video game aficionado, cyclist, and larper. A married father of two, he enjoys being a devoted nerd.

Jesse Jacobson, P.E.

Branch Manager
Asheville

Mr. Jacobson joined BLE in 2011 and is the Branch Manager for the Asheville, North Carolina office. He also serves as a Senior...

Engineer, Project Manager, and Special Inspector and has extensive experience in the subjects of retaining walls, slope stability analysis, shallow foundations, deep foundations, geotechnical laboratory testing, and geotechnical field-testing. He has worked in the public, private and academic sectors and has managed engineering teams, budgets, and served as the primary client contact for small to very large multi-faceted projects. Mr. Jacobson has served as the geotechnical engineering and construction testing services manager for some of the largest recent construction projects in Western North Carolina, including the 2003 and 2008 Harrah’s Cherokee Casino expansions, the Sierra Nevada Brewery, the Cherokee Justice Center, the Southridge Shopping Center, and the Cherokee Indian Hospital. He has also published several technical papers from his regional experience. Mr. Jacobson holds a B.S. in Civil Engineering from Mississippi State University, a M.S. in Geotechnical Engineering from Virginia Tech, and is a registered Professional Engineer in NC with over 17 years experience.

Brian Keyes

Staff Engineer

Mr. Keyes is a Staff Engineer with 7 years of experience in construction quality assurance inspection, testing, and...

reporting, of geotechnical explorations, erosion and sediment controls, and construction consulting. Mr. Keyes primarily provides support and assistance in geotechnical and construction quality assurance services for Subtitle D Municipal Solid Waste Landfills. He has experience in landfill geomembrane, geosynthetic clay liner, and low permeability soil liner installation, engineered earth fills and final closure construction. He also has performed field work and soil classification for exploration of borrow areas for low permeability soil liner and protective cover soils. He has performed construction quality assurance monitoring for installation of landfill gas extraction wells and landfill gas system improvements. Mr. Keyes has been involved in various stages of the geotechnical analysis and construction quality assurance monitoring of municipal, industrial and construction-demolition landfills throughout the southeast. Mr. Keyes holds a B.S. in Civil Engineering Technology from South Carolina State University.

Mr. Keyes enjoys playing in softball leagues, jogging, and weight training. He lives in Greenville, South Carolina.

William Mathews, P.E.

Chief Engineer

Mr. Mathews is Chief Engineer for Bunnell Lammons Engineering with more than three decades of professional engineering...

experience. He is responsible for professional development and technical review/oversight of junior engineers at BLE and for implementing/maintaining AASHTO accreditation of the laboratory for our Greenville, SC office. Mr. Mathews has directed and/or performed the drilling operations, laboratory testing and engineering analysis for numerous geotechnical related construction projects in a variety of geologic settings. He has extensive geotechnical engineering and construction materials engineering and testing experience on industrial, governmental, institutional, transportation, commercial and water/wastewater projects. Mr. Mathews taught geotechnical engineering review classes through the Clemson University Office of Continuing Engineering Education for candidates preparing to take the professional engineering exam. Mr. Mathews holds a Bachelor of Science in Civil Engineering and a Master of Civil Engineering (Geotechnical) from the University of Texas at Arlington. He is a registered professional engineer in SC, NC, GA and AL.

Bill and his wife have three grown children and enjoy spending time at the lake and listening to live music. He enjoys riding motorcycles in the mountains and on the track whenever he can.

Prescott D. May

Business Development Representative

Mr. May Joined BLE in 2016 as a Business Development Representative, working with BLE's Construction Materials Testing...

(CMT) and Geotechnical departments. His primary responsibility is developing business relationships and managing client relations. Prescott holds a B.S. in Business Administration (Marketing) and an MBA in Finance from Winthrop University. He is an actively engaged in the community as a member of multiple organizations, including the Urban Land Institute (ULI), South Carolina Economic Developers Association (SCEDA), and the Greenville Chamber of Commerce – Pulse Young Professionals.

A native of Greenville, SC, Mr. May enjoys spending time with friends and family, and being outside, especially hiking or golfing.

Tyler Moody, P.E.

Department Manager
Solid Waste Services

Mr. Moody joined BLE in 2010 and has over 11 years of experience in geotechnical...

engineering and construction materials testing. Since joining BLE, Tyler has worked on geotechnical evaluations of solid waste landfills including slope stability evaluations, settlement estimates, drainage layer and filtration calculations, seismic considerations, wind uplift calculations on exposed landfill covers, and forensic analyses. Tyler has assisted in the design for geogrid reinforced slopes and performed many stability analyses for mechanically stabilized earth walls and gravity retaining walls. Tyler graduated from Clemson University with a B.S. in Civil Engineering. In 2016, Tyler obtained a Masters of Engineering from North Carolina State University with a specialization in geotechnical engineering. His engineering interests include soil mechanics, reinforced slopes, geosynthetics, finite element load/deflection analysis, and slope stability. Tyler is a licensed professional engineer in South Carolina, North Carolina, Georgia, Alabama, Mississippi, Florida, Virginia, Tennessee, and Louisiana.

When not at BLE, Tyler enjoys swimming with his kids, grilling, bicycling with his wife, and serving at his church in Greenville.

Dan Osbourne P.G.

Chief Scientist

Mr. Osbourne is Chief Scientist at BLE with over 20 years of environmental consulting experience. Mr. Osbourne is responsible for...

professional development and technical review/oversight of junior environmental engineers and geologists at BLE. He specializes in the characterization of site hydrogeology and determination of groundwater quality, aquifer characteristics, groundwater migration patterns, contaminant plume dimensions, and potential contaminant impacts on the environment. Mr. Osbourne has demonstrated experience in planning, developing, managing and implementing a broad spectrum of environmental services. Some of his experience has included CERCLA Superfund remedial investigations, RCRA groundwater investigations at federal facilities, Brownfields redevelopment sites, remedial investigations / feasibility studies and remedial actions, soil and groundwater remediation projects for the DOD and DOE, Environmental Site Assessments (Phase I, II, and III), and investigations associated with underground storage tank (UST) sites throughout the Southeast. Mr. Osbourne holds a B.S. in Geology from Clemson University and a M.S. in Hydrogeology also from Clemson University. Mr. Osbourne is a registered Professional Geologist in SC, NC, GA, TN, and AL as well as a Registered Site Manager (RSM) for Inactive Hazardous Sites in NC.

Mr. Osbourne is an avid motorcyclist and can frequently be found riding nearby mountain roads. A husband and father of two sons, he also enjoys camping with his family.

Ross Robison, E.I.T.

Staff Engineer

As Staff Engineer with BLE’s solid waste engineering department, Ross Robison is responsible for on-site construction quality...

assurance (CQA) monitoring, testing, and reporting of the construction of municipal solid waste landfills and construction and demolition landfills. He has experience with laboratory Proctor testing, soil classification testing, field monitoring, and density/moisture testing, as well as with quality assurance/quality control of engineered earth fills.

He received his B.S. in Civil Engineering from Clemson University and holds his Engineer-in-Training certification.

Mr. Robison enjoys staying active and spending time with his friends, family, and his two dogs, Zoey and Link.

Larry Simonson, P.E.

Senior Engineer

Mr. Simonson is a Senior Engineer with over 8 years of professional geotechnical and solid waste engineering consulting experience. He...

has had field and engineering experience with the design and construction of facilities across the southeastern United States. He has coordinated and performed tasks related to quality assurance during construction, field exploration, laboratory testing, and geotechnical analysis for the design of municipal and construction-demolition landfills and their associated components. Mr. Simonson has performed slope stability analyses for reinforced slopes, the design of new landfills, and for the forensic investigations of distressed and unstable landfill slopes.

Mr. Simonson holds a M.S. & B.S. in Civil Engineering from Clemson University and is a licensed professional engineer in Georgia, South Carolina, North Carolina, Virginia, Tennessee, Louisiana, Alabama, and Ohio. He is a member of the South Carolina Upstate Branch of the American Society of Civil Engineers and the International Geosynthetics Society.

Mr. Simonson is an active member of Greenville’s Alchemy Comedy Theater, where he regularly performs and coaches comedy improvisation. He and his wife regularly travel from their home in Greenville, where they live as avid gardeners and self-proclaimed foodies.

Jonathan Usher, P.E.

Senior Engineer

Mr. Usher is a senior engineer and project manager with more than 20 years of construction project management and geotechnical engineering...

experience. His construction project management and geotechnical engineering experience includes storm water management, grading, asphalt pavement, bridge, cellular communication tower sites, and landfill projects. Mr. Usher’s primary area of practice is geotechnical engineering and CQA services for Subtitle D Municipal Solid Waste Landfills. He has experience in construction quality assurance inspection, testing and reporting, geotechnical explorations, and construction consulting for landfill facilities. He has coordinated services for landfill facility owners, contractors, and subcontractors including field exploration, laboratory testing, and engineering analyses. He also has experience in landfill geomembrane, geosynthetic clay liner, and low permeability soil liner installation, and final closure construction. Mr. Usher has a B.S. in Civil Engineering from Clemson University, is a Professional Engineer licensed in AL, FL, GA, LA, MO, NC, SC, TN, and VA, and has a Project Management Professional (PMP) certification from the Project Management Institute.

Mr. Usher enjoys jogging, listening to music, and watching Clemson football and baseball. He lives on Johns Island, SC with his wife and three children.

Gary Weekly, P.E.

Senior Engineer

Mr. Weekly has served as a Senior Engineer with BLE since the company's inception. He has been involved in siting, design and...

construction of landfill facilities in the southeastern United States, including in North Carolina, South Carolina, Georgia and Alabama. He is experienced in Coastal Plain, Piedmont, Blue Ridge and Valley and Ridge geologic provinces and has coordinated services for owners, contractors, and subcontractors including field exploration, laboratory testing and engineering analysis. Mr. Weekley is experienced in the analysis and evaluation of subsurface data for landfills, structures, dams, lagoons and earth embankments including settlements, slope stability, excavation, dewatering, grouting and bearing capacity.

Mr. Weekley holds a B.A. in Civil Engineering from West Virginia Institute of Technology and M.S. in Civil Engineering from Virginia Polytechnic Institute and State University. He is a registered Professional Engineer in Georgia, North Carolina and South Carolina.

James Belgeri, P.E.

Senior Consultant

Mr. Belgeri joined BLE in 2018 as Senior Consultant in the Asheville office. He has extensive geotechnical, geological...

and geophysical experience throughout the Southeast US, as well as experience with drilling and well installation and construction materials testing and inspections.

He holds a B.S. in Geological Engineering from University of Missouri-Rolla and was previously a Fellow at Teach Tennessee Institute and a member of the Virginia Tech Center for Geotechnical Practice and Research (CGPR). He is a registered Professional Engineer in Kentucky, North Carolina, Tennessee and Virginia, and a registered Professional Geologist in Tennessee. Mr. Belgeri’s career includes multiple project and organizational management positions including service on the Board of Directors of a large regional engineering practice. Areas of particular interest in the geotechnical field include sinkhole and Karst studies, rock slope engineering, and expansive geotechnical materials

Mr. Belgeri is married to his wife, Patty, and they have three daughters, eight grandchildren and two great granddaughters. His hobbies include golf with grandsons, working on his tractor, and teaching Sunday School.

Riley Blais, G.I.T.

Staff Hydrogeologist

Riley Blais joined BLE in 2019 and serves as Staff Hydrogeologist. He works primarily with the solid waste department...

performing well installations, field oversite and coordination, and compiling groundwater statistics and interpreting the data. He holds his B.S. in Geology from Clemson University and is completing his M.S. in Hydrogeology from Clemson University. He also currently holds his Geologist in Training certification.

Mr. Blais enjoys being outdoors whenever he can be especially backpacking sections of the Appalachian Trail. In addition to hiking, he also loves winter sports including playing hockey and skiing.

Rex Brown, P.E.

Senior Engineer

Mr. Brown is a senior project leader and client manager with over 29 years of professional geotechnical and construction materials...

consulting experience. He has been involved in pre-purchase due diligence services, geotechnical explorations, and construction for a variety of projects including: Commercial/Retail mixed use developments, Industrial Facilities, Roadways and Infrastructure projects primarily in the Southeast U.S. Mr. Brown has worked in various stages of the development and construction process for over 500 successful projects. Since moving to Greenville in the mid 1990’s, Mr. Brown has been involved with many of the major projects in Downtown Greenville that have made it a USA Today Top 10 Best Emerging Destination. Mr. Brown works closely with clients to provide value-added solutions and evaluations to ensure the projects stay on schedule and meet budget. Mr. Brown holds a Bachelor in Civil Engineering from Georgia Institute of Technology (Georgia Tech) and is registered Professional Engineer in SC, NC, and GA.

Mr. Brown enjoys golf, DIY projects, and spending time with his kids, their spouses, and grandkids. He can be seen many nights and weekends in gyms attending basketball games of sons playing at the Pro, NCAA D1, High School and Middle School levels. He lives on a small farm in Travelers Rest near Greenville with his wife of 28 years.

Andrew Colby

Department Manager
Solid Waste Services

Mr. Colby is an Engineering Associate with over 20 years of experience in construction quality assurance inspection, testing, and...

reporting, of geotechnical explorations, erosion and sediment controls, and construction consulting. Mr. Colby primarily provides support in geotechnical and CQA services of Subtitle D Municipal Solid Waste Landfills. He has been involved in coordinating services for owners, contractors, and subcontractors including field exploration, laboratory testing, and engineering analyses. Mr. Colby has been involved in providing information to our senior engineering staff for use in the analysis and evaluation of subsurface data for landfills and structures including settlements, slope stability, excavation, and bearing capacity. He also has experience in landfill geomembrane, geosynthetic clay liner, low permeability soil liner installation, final closure construction. Mr. Colby has been involved in various stages of the geotechnical analysis and construction quality assurance monitoring of municipal, industrial and construction-demolition landfills. Mr. Colby leads BLE’s team of Electrical Leak Location technicians.

Mr. Colby holds an A.A. in Construction Engineering Technology and an A.A. in Architectural Engineering Technology from Greenville Technical College.

Mr. Colby enjoys running, hunting and spending time with his family. He lives in Greenville, SC with his wife and three children.

TJ Daniel, P.G.

Project Hydrogeologist

T.J. Daniel serves as Project Hydrogeologist for BLE. He works primarily with the solid waste department with well installations, compiling...

groundwater statistics and interpreting the data, while ensuring State and Federal groundwater regulatory compliance. He holds his B.S. in Environmental Studies from University of North Carolina Asheville and his M.S. in Hydrogeology from Clemson University.

Mr. Daniel enjoys an active lifestyle, hiking with his fiancé, mountain biking, working out and taking his chocolate lab for walks. He also considers himself a big sports fanatic, cheering on the Green Bay Packers and Clemson Tigers

Reid Doherty, P.G.

Project Geologist

Mr. Doherty serves as a project geologist for Bunnell Lammons Engineering, Inc. During his decade of professional experience, he has...

served as a technical consultant on various environmental projects, including, but not limited to, Leaking Underground Storage Tank (LUST) sites, Solid Waste Landfill sites, Geotechnical Subsurface Exploration projects, Phase I and Phase II Environmental Site Assessments, Brownfields, and Storm Water Management Plans. Mr. Doherty holds a B.S. in Geology from University of South Carolina and is a licensed Professional Geologist in SC.

Outside of work, Mr. Doherty is an avid outdoorsman and conservationist, who enjoys camping, hunting, fishing, and numerous other outdoor activities with his wife, son, and dog.

Lauren Fitzgerald

Human Resources Manager

Mrs. Fitzgerald is a Human Resources Professional with over 10 years of HR experience. She provides advice and...

counsel to managers regarding personnel practices, policy, and employment laws as well as compensation, employee performance and career development. She also administers all corporate health and welfare benefits, retirement, paid time off and leaves of absence plans. With a team of over 100 employees at BLE, striving for effective communication and a strong company culture are priorities for Lauren as she leads the HR function.

Mrs. Fitzgerald holds a B.S. in Business Administration from Gardner-Webb University and has been a certified Professional in Human Resources (PHR) since 2009 and a SHRM Certified Professional since 2016. She is also an active member of Greenville’s Society for Human Resource Management.

Mrs. Fitzgerald enjoys home improvement projects, being with family, and running. She lives in Greenville, SC with her husband, two kids and German Shepherd dog.

Anna Franklin, P.E.

Senior Environmental Engineer

Ms. Franklin is a senior project manager with over 18 years of regulatory and environmental consulting experience. She specializes in air...

quality permitting and compliance for industrial and municipal clients. Her primary expertise includes air construction permit applications, air dispersion modeling analyses, emission inventory preparation and reporting, and compliance assistance with State and Federal air regulations.

Ms. Franklin also coordinates with clients to prepare environmental plans including: Spill Prevention, Control, and Countermeasure (SPCC), Stormwater Pollution Prevention Plans, Slug Control Plans, and Best Management Practices (BMP) Plans. She also assists clients with National Pollutant Discharge Elimination System (NPDES) permitting, wastewater permitting and compliance, and conducts environmental compliance audits.

Ms. Franklin received her B.S. in Atmospheric Sciences from University of North Carolina at Asheville and M.S. in Environmental Engineering and Science from Clemson University. She is a registered Professional Engineer in South Carolina.

Ms. Franklin lives in Greenville, SC with her husband and two children. She spends time with family enjoying Clemson football or hanging out at the pool, lake, or beach.

Robert "Ty" Hawkins, CHMM

Department Manager
Environmental Services

Mr. Hawkins is a project manager and environmental risk management consultant with over 19 years of professional...

experience. Mr. Hawkins’ technical expertise includes Phase I ESAs, PCAs, environmental regulatory compliance, facility decommissioning, mold/asbestos, industrial hygiene, contaminant assessment and remediation, and vapor intrusion assessments. Mr. Hawkins also leads project teams by overseeing project execution, providing technical support, and performance tracking. Mr. Hawkins supports the firm’s growth by serving in a Business Development role and represents the firm in various local and state associations. Mr. Hawkins received his B.S. in Environmental Science from Lander University.

Ty is married and the father of three boys. He enjoys spending time on the tee-ball field, basketball court, golf course, swimming pool, and outdoors with his family.

Jeff Helvey, P.E.

Division Director
Solid Waste Services

Mr. Helvey is a senior project leader and client manager with over 24 years of professional geotechnical and solid waste engineering...

He has been involved in siting, design and construction of facilities throughout the southeastern United States. He has coordinated services for owners, contractors, and subcontractors including field exploration, laboratory testing, and engineering analyses. Mr. Helvey has been involved in various stages of the siting, geotechnical analysis and construction quality assurance monitoring of municipal, industrial, CCR and construction-demolition landfills for over 300 successful projects. Mr. Helvey directs the activities of 30 engineering technicians, associates, and professional engineers and hydrogeologists on various solid waste projects and works closely with clients to ensure projects meet both schedule and budgetary considerations. Mr. Helvey holds a B.S. in Civil Engineering (minor in Environmental Science and Policy) from Clemson University and is a licensed professional engineer in Alabama, Delaware, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, New York, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia, West Virginia, and Wyoming. He is the former president of the South Carolina Upstate Branch of the American Society of Civil Engineers.

Mr. Helvey is a veteran of the United States Army and enjoys coaching both American football and soccer, playing soccer, and eating too much ice cream. He lives in Greenville with his wife and two boys.

Sam Interlicchia

Field Services Program Manager

Mr. Interlicchia joined BLE in 2003 as a Project Manager in the Asheville, NC office and has over 25 years of geotechnical and...

construction materials engineering experience in the Western North Carolina area. He has extensive experience in the testing and analysis of construction materials including soils, concrete and asphaltic concrete. His technical responsibilities involved management and review of quality control and quality assurance activities on construction projects. He has been involved in the inspection of shallow foundation systems, drilled piers, excavation, fill control, subgrade preparation, dewatering of construction sites and pavement placement. Projects have included commercial and office buildings, school sites, parking decks, water filtration, and wastewater processing plants. He has also worked on several multi-story projects in the Western North Carolina area that incorporated both deep and shallow foundation systems. His deep foundation experience includes design and construction of displacement and non-displacement driven piles, auger cast piles, micropiles, and drilled shafts. Mr. Interlicchia holds a B.S. in Civil Engineering Technology from Asheville/Buncombe Technical College.

Nathan Jackson, P.E.

Project Engineer

Mr. Jackson is a project engineer with over 8 years of geotechnical and construction materials consulting...

experience. He has extensive experience with geotechnical explorations and construction materials testing services for commercial, industrial, and infrastructure projects throughout the Southeast. He works closely with clients and contractors to ensure projects meet both timeline and budgetary considerations. Mr. Jackson holds a B.S. in Civil Engineering from The Citadel and is a registered Professional Engineer in South Carolina.

Mr. Jackson enjoys playing soccer, running, hiking, and spending time with his family. He lives in Taylors with his wife and child.

Jason Jansante, P.E.

Project Engineer

Mr. Jansante is a Project Engineer with more than five years of professional experience. He is responsible for coordinating services...

amongst owners, contractors, and subcontractors for geotechnical related construction projects. These services include field exploration, laboratory testing, engineering analyses, and special inspections.

His experience includes analysis and evaluation of subsurface data for shallow and deep foundations, pavement design, seismic design parameters, and liquefaction potential. Mr. Jansante has also been involved in numerous geotechnical projects relating to the energy industry, including coal-powered and nuclear-powered plants, as well as various SCDOT projects. His project experience has taken him up and down the East Coast as well as internationally.

Mr. Jansante holds a Bachelor of Science in Civil Engineering and a Master of Science in Civil Engineering from Clemson University. He is a registered Professional Engineer in SC.

Mr. Jansante enjoys spending time outdoors with his wife and is active in his church community. He also loves to pull for his favorite team, the Clemson tigers!

Jimmy Ladd

Chief Building Inspector

Mr. Ladd is an Chief Building Inspector and Technician with over 19 years of experience in building code inspection,...

construction quality assurance inspection, testing, and reporting, of geotechnical explorations, erosion and sediment controls, and construction consulting. Mr. Ladd primarily provides building inspection services for the Construction Materials Department. Mr. Ladd is approved by the SCLLR as a continuing education provider for building code officials and special inspectors in South Carolina. Mr. Ladd is an OSHA Authorized instructor and provides safety training for industry construction personnel.

Mr. Ladd holds licenses and/or certifications from SCLLR, ICC, NICET, ACI, SCDOT, and AWCI.

Mr. Ladd enjoys football, and spending time with his family.

Dan Matz, P.E.

Environmental Engineer

Mr. Matz is an environmental engineer with over 10 years of experience. His technical practice has included managing...

Environmental Due Diligence Services, including Phase I and II Environmental Site Assessments, Brownfield Assessments, asbestos surveys and abatements, remediation/corrective action, Spill Prevention Plans, and Stormwater Plans. He provides consulting advice to corporate, financial, and legal clients, providing solutions to meet clients’ goals. Mr. Matz holds a B.S. in Physics of the Environment from Furman University, a M.S. in Environmental Engineering and Earth Science from Clemson University, and is a registered Professional Engineer in SC.

Mr. Matz enjoys running, cycling, triathlon, and Clemson Football. He lives in Greer with his wife and two children.

Kyle Messenger

Engineering Associate

Mr. Messenger is an Engineer Associate with BLE, primarily overseeing and assisting in Property Condition Assessments (PCA),...

Phase 1 Environmental Site Assessments (ESA) and groundwater sampling. He follows the industry-accepted guidelines of ASTM to assist commercial property investors and lenders during a property transfer.

His experience includes more than 7 years of serving real estate investors through residential and commercial inspections and property management. As an investor, he has a passion and understanding of the value of minimizing risk by assessing the physical condition and financial analysis of an asset.

Mr. Messenger holds his B.S. in Service Management from the University of Wisconsin, Stout and his A.S. in Mechanical Engineering Technology from Greenville Technical College. He is a licensed SC Property Manager and SCDHEC Certified UST A/B Operator.

Mr. Messenger enjoys being outdoors with his wife and two kids, riding bikes, swimming, and hiking. He also enjoys wood working and home renovation projects.

Darren Nease, P.E.

Department Manager
Construction Services

Mr. Nease is a Senior Engineer and Project Manager for BLE. He has been with BLE ...

since 2002 following graduation from Clemson University with a Bachelor of Science Degree in Civil Engineering. His responsibilities involve managing, reviewing and performing geotechnical evaluations, pavement assessments and design, and construction materials/special inspection testing services. Mr. Nease has worked on numerous projects throughout the Upstate of South Carolina, Northern Georgia, Western North Carolina, and within the Charlotte area of North Carolina. Some of these projects have included manufacturing/industrial buildings with sizes ranging from 25,000 up to 1,000,000 square-feet, new retail developments, residential developments, and new roadway/bridge construction. Mr. Nease is a registered Professional Engineer in SC, NC, and GA.

Mr. Nease grew up in Greenville, where he still resides with his wife and two daughters. Mr. Nease enjoys fly fishing, hiking, golfing, and target shooting, and of course, cheering for the Tigers.

Mark Preddy, P.G.

Consultant Hydrogeologist

Mr. Preddy is a senior project leader and client manager with over 29 years of professional geological consulting experience and works...

closely with clients and state regulators to ensure projects meet their timeline, regulatory compliance, and budgetary objectives. Mr. Preddy performs a variety of consulting services related to geological and hydrogeological studies for new and existing MSW, CCR, ISW, and C/D landfill facilities. The location of the detailed facilities investigated have included the Blue Ridge terrain of the Carolinas; Piedmont and Coastal Plain terrains of the Carolinas, Georgia, and Alabama; the Valley and Ridge terrain of Alabama, Georgia, and Tennessee; and karst terrains of northern Florida, southern Georgia, and northern Georgia. Mr. Preddy also performs statistical analysis of water quality data for landfills, fracture trace analyses, and geologic subgrade inspections of new landfill waste cells prior to and during cell construction activities. He also performs integrated computer aided drawing and drafting (AutoCAD) for preparation of detailed geologic maps of the subsurface and surface.

Mr. Preddy holds a B.S. in Geology from Furman University and a M.S. in Geology (with a minor in water resources) from North Carolina State University. Additionally, Mr. Preddy is a licensed professional geologist in Alabama, Florida, Georgia, North Carolina, South Carolina, and Tennessee.

Mr. Preddy was a member of Furman’s football and track & field teams as an undergraduate in college, and currently enjoys distance running, photography, and overseas short-term missionary trips. He lives in Greenville with his wife.

Gwen Sollenberger P.E.

Senior Engineer

Mrs. Sollenberger is a Project Engineer with nine years of experience in managing and performing traditional geotechnical projects...

and multidisciplinary projects with civil design and construction management. She has been involved in coordinating services for owners, contractors, and subcontractors including field exploration, laboratory testing, engineering analyses, and special inspections. Mrs. Sollenberger has experience in analysis and evaluation of subsurface data for shallow and deep foundations, ground improvement, pavement design, retaining walls, seismic design parameters, and liquefaction potential. She has worked on projects in 16 different states across varied geologic formations. Mrs. Sollenberger joined BLE in October 2017 after working over 6 years in Dallas, Texas and a short period in West Palm Beach, Florida.

Mrs. Sollenberger holds a B.S. in Civil Engineering from Florida Institute of Technology and an M.S. in Civil Engineering from The University of Central Florida. She is a registered Professional Engineer in Georgia, North Carolina, South Carolina, and Texas.

Mrs. Sollenberger enjoys baseball/softball, hiking, backpacking, scuba diving, and traveling. She now lives in Greenville with her husband and two dogs.

Thomas Spain, G.I.T.

Staff Hydrogeologist

As Staff Hydrogeologist for BLE, Thomas Spain works primarily in the environmental department. Mr. Spain's responsibilities...

include environmental due diligence, groundwater assessments, well installation and collecting / interpreting geologic and environmental field data. Mr. Spain has conducted environmental and groundwater assessments on numerous sites across the Southeast United States. Mr. Spain holds a B.S. in Geology from Colorado Mesa University and a M.S. in Hydrogeology from Clemson University.

Mr. Spain in an avid outdoorsman and spends a lot of his time on trout streams here in the Upstate. In addition to fly fishing, Mr. Spain enjoys biking, kayaking, and hiking with his black lab Rosco.

Erika Thompson

Project Geologist

Ms. Thompson serves as a project geologist with the environmental services department at BLE. She is a proven project manager with over 18 years...

of experience and has effectively managed a broad range of projects, specializing in due diligence and the investigation of contaminated soil and groundwater. Her professional experience includes Phase I and II Environmental Site Assessments, Underground Storage Tank projects, and total fluid recovery events. Ms. Thompson is consistently recognized for outstanding technical writing skills and working knowledge of State and Federal agency guidelines.

Ms. Thompson holds a B.S. in Environmental Geology from Hanover College.

Ms. Thompson and her husband Troy have two boys who keep them busy running between tennis courts and soccer fields. On the rare weekend they are not at a tournament or game cheering them on, her family enjoys hiking and being outdoors. Having spent time in Germany for two years, she love exploring new parts of the world.

Johnny Vastag, P.E.

Project Engineer

Johnny Vastag is a Project Engineer with BLE, working primarily with the solid waste engineering department. Mr. Vastag is...

responsible for oversight of subsurface explorations for foundations and landfill slopes. In addition, he performs geotechnical engineering analyses for settlement and slope stability and performs borrow studies to identify soil volume estimates for landfill use.

Mr. Vastag received his B.S. in Civil Engineering from Clemson University and his M.S. in Civil Engineering from Virginia Tech. He is also an active Upstate Younger Member of the American Society of Engineers.

Mr. Vastag enjoys traveling with friends and family, golfing, and working out. He also spends his time volunteering and participating in his church small groups and is currently working on his certification as a spiritual life coach.