Our People

Geosyntec has built a record of successful client service by attracting some of the most creative scientists and engineers from the graduate programs of leading universities around the world.

We retain staff by providing challenging projects and a management and professional development infrastructure to support innovation on behalf of clients. We also provide staff with ownership opportunities and other financial incentives that create continuous personal links between client service and corporate well-being.

View Current Opportunities

Our People

A woman with straight brown hair wearing a brown top smiles at the camera against a plain gray background.

Leslie Griffin, PE

Regional President for North America East
Leslie Griffin is a Senior Principal Civil Engineer based in Georgia with more than 20 years of experience focused on ...
Beth Gross, a Senior Principal Geotechnical Engineer at Geosyntec

Beth Gross, PhD, PE, D.GE, F.ASCE

Senior Consultant
Beth Gross is a Senior Principal Geotechnical Engineer based in Florida with more than 25 years of experience focused on ...
A smiling older man with glasses, short light brown hair, and wearing a dark suit, white shirt, and red patterned tie, posed in front of a plain light background.

Gary M. Hacker, LEED-AP

Senior Consultant
Gary Hacker is a Senior Consultant based in Washington, DC, with more than 30 years of experience focused on business ...
Christie Hale, a Seismic Hazard Analyst at Geosyntec

Christie Hale, PhD

Senior Professional
Christie is a Seismic Hazard Analyst based in Texas with more than ten years of experience focused on the evaluation ...
Cheryl Halim, PhD, a Principal Environmental Engineer at Geosyntec

Cheryl Halim, PhD

Principal
Cheryl Halim is a Principal Environmental Engineer based in Australia with more than 20 years of experience focusing on environmental ...
Smiling businesswoman, long auburn hair, tortoiseshell glasses, professional headshot.

Lisa A. Hall, PE

Principal
Lisa Hall is a Principal Engineer based in California with more than 30 years of experience focused on navigating through ...
A woman with light skin and brown hair pulled back in a ponytail is smiling at the camera. She is wearing hoop earrings and a white sleeveless top. The background is blurred greenery.

Rebeka Hall, CEnvP

Senior Principal
Rebeka Hall is a Senior Principal Environmental Scientist based in Australia with more than 28 years of experience in contaminated site ...
Dan, a Senior Principal Water Resources Engineer at Geosyntec

Daniel R. Haller, PE, CWRE

Senior Principal
Dan is a Senior Principal Water Resources Engineer based in Washington with more than 25 years of experience focused on ...
A middle-aged man with short brown hair, glasses, and a light beard, wearing a light gray blazer over a blue and white checkered shirt, stands in front of a plain gray background.

Ruairi Hanly, CEnvP

Senior Principal
Ruairi Hanly is a Senior Principal Consultant based in Australia with more than 23 years of experience in the environmental ...
A man wears a dark suit jacket and white dress shirt while posing confidently in front of a plain gray background.

Mark Hanna, PhD, PE, LEED AP

Senior Services Director
Mark Hanna is a Senior Principal Water Resources Engineer based in California with more than 25 years of experience focused ...
A man with short brown hair, wearing a light blue dress shirt and a black tie, stands in front of a blurred outdoor background with green trees.

Michael Hansen, CHMM, BCES, CSP

Principal
Michael Hansen is a Principal Environmental Scientist based in Maryland with more than 19 years of experience focused on performing ...
Celeste Harrington a Principal Civil and Water-Resources Engineer at Geosyntec

Celeste Harrington, RPEng, RPEQ

Principal
Celeste Harrington is a Principal Civil and Water-Resources Engineer based in Australia with more than 22 years of experience focused ...
A woman smiles at the camera in a dark green sweater against a plain gray background.

Kathleen Harrison, PG, QSP, QSD, QISP, ToR, REA

Senior Principal
Kathleen Harrison is a Senior Principal Geologist based in California with more than 35 years of experience focused on watershed ...
A middle-aged man with short white hair wearing a blue suit, light blue shirt, and patterned tie poses in front of a textured dark backdrop.

Phil Harvey, PG

Senior Consultant
Phil Harvey is a Senior Principal Hydrogeologist based in Missouri with more than 40 years of experience focused on evaluating ...
Smiling middle-aged man with short, light brown hair, wearing black glasses, a brown checked blazer, and a light blue collared shirt, posing in front of a plain gray background.

Henry H. Haselton, PE, PMP, F.ASCE

Senior Principal
Henry Haselton is a Senior Principal based in Washington with more than 34 years of experience leading geotechnical engineering for ...
A smiling middle-aged man with glasses, short light hair, and a dark suit jacket over a light purple shirt stands against a plain gray background—Peter de Haven exudes confidence and professionalism.

Peter de Haven, PE

Operations Vice President
Peter de Haven is a Senior Principal Engineer based in North Carolina with more than 25 years of experience focused ...
Elisabeth Hawley, a Principal Engineer at Geosyntec

Elisabeth Hawley, PE

Principal
Elisabeth Hawley is a Principal Engineer based in northern California with 16 years of experience advancing environmental remediation projects involving ...
Meredith Hayes

Meredith Hayes

Principal Scientist
Meredith Hayes is a Principal Scientist with more than 20 years of experience focused on leading environmental investigation and remediation ...
Michael Hayes, a middle-aged man with short light brown hair and glasses, is wearing a gray suit jacket and white shirt, smiling in front of a plain light gray background.

Michael Hayes, PE

Senior Principal Civil Engineer
Michael is a Senior Principal Civil Engineer based in Pennsylvania with more than 30 years of experience in civil and ...
Anica Haynes, a Senior Principal Environmental Permitting and Planning Practice Lead at Geosyntec

Anica Haynes

Operations Vice President
Anica Haynes is a Senior Principal Environmental Permitting and Planning Practice Lead based in Louisiana with more than 20 years ...
A middle-aged man with short gray hair, blue eyes, and fair skin is wearing a dark suit jacket, light blue shirt, and red patterned tie, posed against a softly blurred background.

Mark Heaney

Senior Services Director
Mark is a Senior Principal Consultant based in New York with more than 30 years of experience supporting clients in ...
A woman with shoulder-length brown hair, wearing a purple top and a silver necklace, smiling at the camera against a plain gray background.

Tamara Hebeler, PE

Senior Principal
Tamara Hebeler is a Senior Principal Engineer based in Georgia with more than 20 years of experience focused on engineering ...
A man wearing a light blue button-up shirt and a yellow striped tie, smiles at the camera against a plain background.

J. Chris Herin, PG

Senior Consultant
J. Chris Herin is a Senior Consultant Hydrogeologist in the field of environmental risk management and minimization based in Florida ...
A man with short brown hair and fair skin is wearing a light beige collared shirt, looking directly at the camera with a neutral expression against a plain light background.

Joey Hickey, CHMM

Principal
Joey Hickey is a Principal Environmental Scientist based in Oregon with more than 27 years of experience focusing on conducting ...
A man with short brown hair and a beard, wearing a suit jacket, blue shirt, and striped tie, smiling in front of a softly blurred light background.

Nathan Higgerson

Senior Principal
Nathan Higgerson is a Senior Principal based in Missouri with more than 25 years of experience in both the consulting ...
A man smiles at the camera, wearing a plaid button-down shirt and a dark blazer, against a plain gray background.

Andrew Higgins

Principal
Andrew Higgins is a Principal Data Management Specialist based in Ontario with more than 10 years of experience focused on ...
Dave Himmelheber, a Senior Principal Engineer at Geosyntec

Dave Himmelheber, PhD, PE

Senior Principal
Dave Himmelheber is a Senior Principal Engineer based in New Jersey with more than 17 years of experience with contaminated ...
Brian Hitchens a Senior Principal Hydrogeologist at Geosyntec

Brian Hitchens, PG, CHG, RG

Operations Vice President
Brian Hitchens is a Senior Principal Hydrogeologist with more than 20 years of experience focused on site assessment and remediation, ...
A man with glasses smiles warmly in a tweed blazer over a blue button-up shirt, posed against a plain gray background.

Beau Hodge, PG

Senior Principal
Beau Hodge is a Senior Principal Geologist based in North Carolina with more than 25 years of experience focused on ...
Daniel Hodges a Principal Engineer at Geosyntec

Daniel Hodges, CEnvP

Principal
Daniel Hodges is a Principal Engineer based in Australia with more than 15 years of experience focused on environmental site ...
A middle-aged man with glasses, short light brown hair, and a friendly smile is wearing a blue dress shirt and a plaid blazer, posing in front of a plain gray background.

John Hollar, PE

Senior Principal
John Hollar is a Senior Principal Civil and Environmental Engineer based in Georgia with more than 25 years of experience ...
A man with short brown hair wearing a dark pinstripe suit jacket and a white collared shirt, smiling in front of a plain gray background.

Terence Holman, PhD, PE

Operations Vice President
Terry Holman is a Senior Principal Engineer with more than 25 years of professional experience focused on the areas of: ...
A man with short dark hair, wearing a dark suit, white dress shirt, and red tie, smiles at the camera against a plain light gray background.

Paul Botek, PG

Senior Services Director
Paul Botek is a Senior Principal Geologist based in Maryland with more than 25 years of experience focused on contaminated site assessment and remediation, environmental management and compliance, solid waste management facility permitting and environmental monitoring, construction management, and spring water supply studies ...
A man with short dark hair and glasses, wearing a blue blazer and light blue shirt, smiles in front of a plain beige background.

Keaton Botelho

Senior Principal
Keaton Botelho is a Senior Principal Engineer based in California with more than 17 years of experience in remedial design and construction, landfill expansions and closures, geosynthetics, earthwork monitor and test management, geotechnical investigations, foundation design and installation, concrete design, and environmental and civil infrastructure ...
A woman with straight brown hair wearing a black top and pearl earrings, smiling at the camera against a plain, light brown background.

Renee Bourdeau, PE

Senior Principal
Renee Bourdeau is a Senior Principal Water Resources Engineer based in Massachusetts with more than 18 years of experience focused on urban stormwater management, water quality, and planning ...
Daniel Bourdeau, a Principal Civil Engineer at Geosyntec

Daniel Bourdeau, PE

Principal
Daniel Bourdeau is a Principal Civil Engineer based in Massachusetts with more than 20 years of experience focused on water resources engineering, erosion and sediment control, stormwater management, permitting, and restoration ...
A smiling man wearing a white collared shirt, and standing in front of a plain gray background.

Lawrence Bowden, PhD, CGeol, CSci, EurGeol, SiLC, QP, SQP

Senior Services Director
Lawrence Bowden is a Senior Principal Geoscientist based in Manchester, United Kingdom, with more than 18 years of experience focused primarily on complex site characterization and risk assessment, brownfield regeneration, and mining legacy management issues ...
A man with short brown hair, a mustache, and goatee, wearing a dark suit jacket, blue shirt, and patterned tie, poses in front of a light beige curtain background.

Warren Brady

Senior Principal
Warren Brady is a Senior Principal Consultant based in Louisiana with more than 25 years of experience focused on the assessment and remediation of industrial, municipal, and federal sites contaminated with metals, chlorinated solvents, and fuel hydrocarbons ...
A woman with curly blonde hair, wearing a light blue blazer over a white top, smiles gently at the camera against a plain gray background.

Kathleen Brannen-Donnelly, PhD, PG

Senior Scientist
Kathleen Brannen-Donnelly is a Project Geologist based in Georgia who focuses on aqueous geochemistry, environmental statistics, and site characterization and who supports related environmental litigation ...
A man with short brown hair, blue eyes, and light skin wears a dark suit jacket and a white collared shirt, posing in front of a gray backdrop.

Logan Brant, PhD, PE

Principal
Logan Brant is a Principal Engineer based in Texas with more than 14 years of professional experience focused on geotechnical engineering ...

Recent News

Careers at Geosyntec

We do not take a cookie-cutter approach to designing solutions for our clients. The same applies to how we treat our people. Each employee is unique, and your career at Geosyntec will be, too.

Apply

Change the world with us.

Six Geosyntec employees gathered around a conference table, extending their hands toward the center in a team gesture. The group is seated in a modern office setting with glass walls and a neutral-toned interior.