Thomas Lammons, P.G., CHMM

President & CEO

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

Jeff Helvey EDITS

Jeff Helvey, P.E.

Principal Engineer & COO

Mr. Helvey is a Principal Engineer and Chief Operating Officer of the firm with over 25 years of professional geotechnical and solid waste...

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Daniel Bunnell, P.E.

Senior Corporate Consultant

Mr. Bunnell co-founded BLE with Mr. Tom Lammons in 1996. After a 44-year full-time career in consulting engineering, Mr. Bunnell is now...


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Trevor Benton, P.G.

Environmental Services

Mr. Benton is a Department Manager for Environmental Services at BLE with over 20 years of professional environmental...

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Andrew Colby

Branch Manager, Columbia

Mr. Colby is a Senior Engineering Associate serving as Branch Manager of the Columbia, South Carolina office location. He also leads the Electrical Leak...

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Robert "Ty" Hawkins, CHMM

Environmental Services

Mr. Hawkins is a Department Manager for Environmental Services for BLE. He has over 20 years of professional experience...

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W. Bryan Howard, P.E.

Geotechnical & Construction Services, Columbia

Mr. Howard is the Geotechnical and Construction Services Group Lead for BLE's Columbia, SC office. With more than two decades of experience,...

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Jesse Jacobson, P.E.

Director of Technical Services

Mr. Jacobson joined BLE in 2011 and serves as the Director of Technical Services. He has extensive experience in the subjects of retaining walls,...


David Loftis, P.E.

Branch Manager, Asheville

Mr. Loftis is a Senior Engineer and the Branch Manager for BLE’s Asheville, North Carolina office. He offers over 20 years of experience...

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Tyler Moody, P.E.

Solid Waste Services

Mr. Moody joined BLE in 2010 and has over 15 years of experience in geotechnical engineering and construction materials testing.

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Darren Nease, P.E.

Construction Services

Mr. Nease is the Construction Services Manager for BLE. He has been with BLE since 2002 following graduation from Clemson University...

Chad Rowland EDITS

Chad Rowland, P.E.

Construction Quality Assurance

Mr. Rowland joined BLE in 2021 and serves as the Department Manager for the Construction Quality Assurance Department.

Project Managers

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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...

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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...

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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...

Matt Christie EDITS

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...


T.J. Daniel, P.G.

Project Hydrogeologist

Mr. Daniel serves as Project Hydrogeologist for BLE with over 5 years of experience in geologic consulting. His work experience includes...

Tyler Fletcher EDITS

Tyler Fletcher

Tank Compliance and Testing

Mr. Fletcher manages BLE's Tank Compliance and Testing Services group. His primary responsibilities include scheduling and...

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Anna Franklin, P.E.

Senior Environmental Engineer

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

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Jason Jansante, P.E.

Senior Engineer

Mr. Jansante is a Senior Geotechnical Engineer with 9 years of professional experience. He is responsible for coordinating services amongst owners...

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Jimmy Ladd

Chief Building Inspector

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

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William Mathews, P.E.

Chief Engineer

Mr. Mathews is a Chief Engineer with more than four decades of professional engineering experience. He is responsible for...

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Dan Matz, P.E.

Senior Environmental Engineer

Mr. Matz is a Senior Environmental Engineer with over 10 years of experience. His technical practice has included managing...

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Dan Osbourne P.G.

Chief Scientist

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

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Larry Simonson, P.E.

Senior Engineer

Mr. Simonson is a Senior Engineer with over 11 years of professional geotechnical and solid waste engineering consulting experience. He...

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Gwen Sollenberger, P.E.

Senior Engineer

Mrs. Sollenberger is a Senior Engineer with over 10 years of experience in managing and performing traditional geotechnical projects...

Erika Thompson EDITS

Erika Thompson

Senior Scientist

Mrs. Thompson is a Senior Scientist with the Environmental Services department at BLE. She is a proven project manager with over 18 years of... 

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Jonathan Usher, P.E.

Senior Engineer

Mr. Usher is a Senior Engineer and Project Manager with more than 25 years of construction project management and...

Headshot of Gary Weekly, P.E., Senior Engineer

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...

Corporate Administrative Office

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Shelly Faulkenberry

Corporate Office Manager
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Lauren Fitzgerald

Human Resources Manager
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Richard Hall

Stephen Dowd-2 EDITS-1

Stephen Dowd

Assistant Controller

Kenn Sanders

Senior Recruiter

Business Development Representatives

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Prescott May

Corporate Business Development
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Derrick Durham

Upstate South Carolina
Garrett Pittman-2 EDITS

Garrett Pittman

North Carolina
Zack Smith EDITS

Zack Smith

Midlands South Carolina