Our Practices

We develop and refine our core practices in areas where innovation can deliver practical solutions with substantially improved benefits to our clients when compared to traditional approaches. We focus on service offerings where we can create exceptional value for our clients. learn more

Our Experience

Since our founding in 1983, Geosyntec has completed nearly 10,000 projects worldwide with an outstanding and, always improving, safety record. Our experience delivers on the potential of innovative applications of proven and emerging technologies. learn more

Our People

We are 800 engineers, geologists, scientists, and other technical specialists committed to the idea that technical leadership and client service are the foundations for producing solutions for our clients that are practical, efficient, and sustainable. learn more

Geosyntec News

May 15, 2012
Derek Tomlinson to Teach Vapor Intrusion Course in Pennsylvania

May 09, 2012
Geosyntec Professionals to Present During Environment, Energy Security and Sustainability Symposium May 21-24

May 02, 2012
Geosyntec to Present at Upcoming Battelle Conference in Monterey, California, May 21-24

April 17, 2012
Brian Adair to Present at the American Public Power Association Engineering and Operations Technical Conference

April 02, 2012
Geosyntec Consultants Acquires Ford Consulting Group Ltd

March 27, 2012

Geosyntec Set to Attend Federal Conference on Design, Construction for Hazardous Waste Sites April 10-12

March 20, 2012
Geosyntec Team to Present During International Conference on Soil, Water, Energy and Air March 19-22

March 15, 2012
Geosyntec Team Set to Present March 25-29 at ASCE’s Geo-Congress 2012

March 14, 2012
Marcus Quigley Webinar Examines Urban Stormwater BMP Performance in Relation to Chesapeake Bay

March 13, 2012
Geosyntec to Join Participants at 41st Annual Environmental Law Conference March 22-24

March 09, 2012
Geosyntec to Present at UNC Charlotte's BioEnergy Symposium March 13-14

March 07, 2012
Geosyntec to Support Water Security, Sustainability for Defense Facilities Near Savannah

March 06, 2012
Geosyntec to join Participants at SWANA's Landfill Gas Symposium March 19-22

March 01, 2012
Scott Drew, Todd McAlary Aid in Roll Out of Revised Vapor Intrusion Technical Guidance for New Jersey

February 23, 2012
SiREM and Tersus Environmental Form Strategic Marketing Alliance

February 08, 2012
Geosyntec to Join Participants at ABA's 30th Annual Water Law Conference Feb. 22-24

February 01, 2012
James Griffin Tapped as Treasurer of Society of American Military Engineers Post

January 31, 2012
Members of Geosyntec's Air Quality Practice to Present at Energy, Utility and Environment Conference 2012

January 26, 2012
Derek Tomlinson Among Instructors for Upcoming Course on LNAPL Science, Technology

January 19, 2012
Michael Bloom Analysis of TMDL Regulatory Changes Featured in Texas Trade Publication

January 18, 2012
Sam Bade to Co-Moderate Weather Management Session at New England's Largest Water Quality Conference Jan. 23

January 12, 2012
Mike Kavanaugh Tapped for Law Institute's Board of Directors

January 05, 2012
Geosyntec, CSXT Team Present Old Hopewell Road Project at Florida Brownfields Conference

December 14, 2011
Geosyntec Selects University of Michigan PhD Candidate as Student Whitepaper Winner

December 09, 2011
Patent Protection Granted for SiREM Tests to Monitor Chlorinated Solvent Remediation

December 07, 2011
Geosyntec's Use of Cloud-Based Stormwater Management Techniques Featured in Multiple Digital Media Forums

December 01, 2011
Bruce Marvin, Eric Suchomel Summarize Zero Valent Zinc Treatment at ACS Meeting

November 30, 2011
Geosyntec's Guelph Office Earns Distinction as Exceptional Place to Work for 2012

November 21, 2011
Geosyntec Announces New Sacramento Office Address

November 16, 2011
Geosyntec Makes Strong Showing at North America's Largest Water Quality Conference

November 09, 2011
Gary Wealthall, Derek Tomlinson, and Peter Zeeb to Pen LNAPL Handbook

November 04, 2011
Michael Kavanaugh Supports National Research Council Initiative on Sustainability and U.S. EPA

November 03, 2011
Bonaparte to Deliver 19th Spencer J. Buchanan Lecture at Texas A&M University

November 02, 2011
Lokesh Padhye Co-Authors Three Articles Appearing in Environmental Science and Technology

November 02, 2011
Dave Himmelheber Co-Authors Sediment Remediation Article Appearing in Water Research

November 02, 2011
City of Malibu Legacy Park Project Receives CASQA Award

November 01, 2011
David Adilman and Erik Petrovskis Present on Fractured Rock Remediation in Vermont

October 28, 2011
Steven Roy Pens Article on Use of Porous Surfaces for Stormwater Management

October 26, 2011
Ranjiv Gupta and Jeremy Morris Present Geothermal RET Results in Kyoto

October 25, 2011
Geosyntec Earns Spot Inside PSMJ Circle of Excellence

October 25, 2011
Bloom to Present New Federal Stormwater Regulations at Texas Conference

September 30, 2011
De Flaun Co-Authors Paper on Bacterial Transport Research

September 30, 2011
Geosyntec Water Resources Professionals Present at Annual California Stormwater Quality Association Conference

September 20, 2011
Lucia to Serve as Keynote Speaker at 42nd Annual Ohio River Valley Soils Seminar

September 19, 2011
Geosyntec Scientists and Engineers to Present at the NGWA Conference

September 16, 2011
Lucia and Bonaparte to Present at Geo-Congress 2012

September 16, 2011
Sancio Reports on Test Program Simulating Submerged Ice-Induced Seabed Displacement for Oil and Gas Pipelines

August 09, 2011
Geosyntec Personnel to Present at Upcoming Philadelphia LID Symposium, September 25 – 28, 2011

July 01, 2011
Rohit Goswami Co-Authors ASCE Journal of Hydrologic Engineering Paper Comparing Modeling Techniques on Variable-Density Flow and Transport Experiments

June 22, 2011
Geosyntec Consultants Awarded Grant Funding by New York City for Innovative Stormwater Green Infrastructure Demonstration Projects

June 17, 2011
Geosyntec to Present at Upcoming Battelle International Symposium in Reno, Nevada June 27 – 30, 2011

June 16, 2011
Poresky Co-Presents ASCE Seminar on Stormwater Low Impact Development Applications

June 06, 2011
Owen Cadwalader Presents at NovCare 2011

June 01, 2011
Geosyntec Consultants Awarded WERF Funding for Innovative High-Performance Green Infrastructure Research


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Geosyntec. The Right Career Choice.

Geosyntec is the home for innovation and entrepreneurship for a reason – the people who choose Geosyntec as their professional home. We are the right career choice for individuals who are passionate about their chosen profession, engaged with their clients and colleagues, and are confidently building a rewarding future. Visit our career pages to find opportunities especially for mid-career professionals.

Practitioner Spotlight

Douglas Larson, PhD, PE, LSP

Dr. Larson is a principal engineer based in our Boston, Massachusetts office, where he manages the firm's New England branch offices. He has over 20 years of experience, currently focusing on the design and construction of systems that manipulate subsurface geochemical conditions to destroy or immobilize contaminants in place, resulting in much lower energy consumption and often more effective treatment than conventional remediation technologies.

Learn more...