About

close-up of two male engineers' arms carrying blueprints and engineering plans

Since 1985, Sevee & Maher has been engineering practical solutions for commercial, industrial, residential, and municipal clients in a range of industries. We base our recommendations on proven concepts, innovative technologies, and real-world experience. And we deliver them in a straightforward, understandable style that’s effective in front of any audience.

Our Philosophy

We put the client first, an approach we’ve upheld for over 38 years in business. As an SME client, you can always count on the value we deliver through high-quality and on-time work at competitive rates.

Meet the Team

Our team includes more than 85 engineers, geologists, hydrogeologists, chemists, scientists, industrial hygienists, and technicians. We’ll give your project the personal attention it deserves.

Our Team

Photo of Erik M. Clapp

Erik M. Clapp, PhD, L.G.

President / Principal / Senior Geologist

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Photo of Daniel P. Diffin

Daniel P. Diffin, P.E., LEED AP BD+C, LPA

Vice President / Principal / Senior Civil Engineer

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Photo of Peter M. Maher

Peter M. Maher, P.E.

Chief Financial Officer / Principal

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Photo of Kevin L. Connolly

Kevin L. Connolly, P.E.

Principal / Senior Project Manager / Senior Engineer

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Photo of Bruce A. Fowler

Bruce A. Fowler, P.G.

Principal / Senior Hydrogeologist

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Photo of Philip H. Gerhardt

Philip H. Gerhardt, P.E., CHMM, PMP

Principal / Senior Environmental Engineer

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Photo of Lisa J. Jacob

Lisa J. Jacob, L.G., P.G.

Principal / Senior Geologist

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Photo of Matthew W. Muzzy

Matthew W. Muzzy, P.E.

Principal / Senior Geotechnical Engineer

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Photo of Brian D. Pierce

Brian D. Pierce, P.E.

Principal / Chief Engineer

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Photo of Huqiu Zhang

Huqiu Zhang, PhD

Principal / Senior Chemist

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Photo of James S. Atwell

James S. Atwell

Senior Project Manager

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Photo of Kathryn Balzer

Kathryn Balzer

Administrative Assistant

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Photo of Brian Bardwell

Brian Bardwell

CAD Operator

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Photo of Patricia Beaulieu

Patricia Beaulieu

Word Processor

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Photo of Brandon A. Binette

Brandon A. Binette

Civil Engineer

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Photo of Kristy Bishop

Kristy Bishop, P.E.

Senior Environmental Engineer

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Photo of John Boilard

John Boilard

Senior Industrial Hygienist and Safety Specialist

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Photo of Mark P. Coleman

Mark P. Coleman, CIE

Senior Industrial Hygienist

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Photo of Mark G. Coleman

Mark G. Coleman

Data and IT Solutions Analyst/Developer

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Photo of Kimberly Darling

Kimberly Darling

Project Accounts Assistant

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Photo of Anna Dedon

Anna Dedon, P.E.

Civil Engineer

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Photo of Jennifer Dillon

Jennifer Dillon

Billing Administrator

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Photo of Patrick Dow

Patrick Dow

IT Systems Administrator

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Photo of Stephen Dyer

Stephen Dyer, P.E.

Environmental Engineering Lead

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Photo of Jason C. Eisenhuth

Jason C. Eisenhuth

Environmental Compliance Specialist

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Logan Erickson

Senior Industrial Hygienist

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Photo of Debra Floyd

Debra Floyd

Scientist

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Photo of Alfonso Garcia

Alfonso Garcia

Civil and Environmental Engineer

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Photo of Chris S. Gates

Chris S. Gates, CAC

Senior Industrial Hygienist

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Photo of Jenna R. Gilbert

Jenna R. Gilbert, E.I.

Civil Engineer

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Photo of Hanna Gilley

Hanna Gilley

Marketing Coordinator

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Photo of Andrew P. Gobeil

Andrew P. Gobeil, L.G., L.S.E., P.G.

Geologist / Hydrogeologist

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Photo of Molly Grover

Molly Grover

Project Technical Assistant

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Photo of Amy Holland

Amy Holland, P.E.

Senior Chemical Engineer

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Photo of Lydia Howes

Lydia Howes

Marketing Specialist

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Photo of Meagan Johndro

Meagan Johndro

Administrative Assistant

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Photo of Joel Jones

Joel Jones

Industrial Hygienist

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Photo of Abigail Latulippe

Abigail Latulippe

Civil Engineer

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Photo of Mike Leatherbee

Mike Leatherbee

Industrial Hygienist

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Photo of Ted Leatherbee

Ted Leatherbee

Geotechnical and Soil Testing Lab Manager

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Photo of Ron Lessard

Ron Lessard, CIH, CSP

Senior Environmental Health and Safety Specialist

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Photo of Brian Letiecq

Brian Letiecq

Environmental Technician

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Photo of Jiayuan Liu

Jiayuan Liu

Senior Scientist

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Photo of Joel Lussier

Joel Lussier

CAD Operator

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Photo of Jaime Madore

Jaime Madore, P.E.

Senior Environmental Engineer/Project Engineer

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Photo of Kara Madsen

Kara Madsen

Field Engineer / Data Analyst

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Photo of Peter C. Mailey

Peter C. Mailey

Senior Project Engineer

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Photo of Aaron Martin

Aaron Martin, L.G.

Senior Geologist / Project Manager

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Photo of Sarah Mazerolle

Sarah Mazerolle

Environmental Engineer

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Photo of Trevor J. Michaud

Trevor J. Michaud

Project Engineer

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Photo of Peter Mohlin

Peter Mohlin

Environmental Compliance Specialist

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Photo of Paul Monroe

Paul Monroe

Senior Field Engineer

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Photo of Shaun Morrison

Shaun Morrison

CADD Manager

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Photo of Thomas B. Neilson

Thomas B. Neilson, L.G.

Senior Geologist

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Photo of Kenneth P. Norton

Kenneth P. Norton, P.E.

Senior Engineer

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Photo of Anthony E. Pais

Anthony E. Pais

Environmental Engineer

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Photo of Jace Pearson

Jace Pearson

Project Geologist

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Photo of Kerri Peterson

Kerri Peterson

Chemical Engineer

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Photo of Jeffrey T. Read

Jeffrey T. Read, P.E., LPA

Senior Civil Engineer

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Photo of Michael R. Roy

Michael R. Roy

Senior Civil Engineer / Project Manager

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Photo of Nicholas Sabatine

Nicholas Sabatine, P.G.

Brownfields Program Lead

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Photo of Eve Schultz

Eve Schultz

Project Accounts Assistant

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Photo of Peter Sevee

Peter Sevee

Environmental Field Technician

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Photo of Aaron Smith

Aaron Smith

IT Specialist

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Photo of Kivvy Spears

Kivvy Spears, CIE

Industrial Hygienist

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Photo of Robert A. Steeves

Robert A. Steeves

Senior Chemical Engineer

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Photo of Nicholas M. Thompson

Nicholas M. Thompson

Design Engineer/Project Manager

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Photo of Kate Tilas

Kate Tilas, LPA

Civil Engineer

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Photo of Lisa Turner

Lisa Turner, P.E., L.S.S.

Project Manager, Landfill Services

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Photo of Kaitlyn Tuttle

Kaitlyn Tuttle

Industrial Hygienist

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Photo of Darren P. Ward

Darren P. Ward

Project Engineer

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Photo of Todd E. Wilcoxson

Todd E. Wilcoxson

Senior Field Technician

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Photo of Justin Williams

Justin Williams, CIE

Environmental Technician/Industrial Hygienist

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