Staff Biographies

Click on a staff member below to find out more information.

William R. Wilcox, Jr.

William R. Wilcox, Jr. - President, Principal Geologist

Phone: (603) 369-4190 x501

As co-founder and President of the firm, Bill’s sole focus is on solving our clients’ environmental, geotechnical, and engineering challenges through the delivery of value. He is dedicated to responsiveness, quality, optimal use of client resources, a ...

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Russell W. Barton

Russell W. Barton - Senior Vice President, Principal Geologist

Phone: (603) 369-4190 x502

Russ manages company resources and oversees day-to-day operations to ensure client needs and objectives are met.  Russ is the face of the business in the areas of oil services and petroleum cleanup. He has more than 30 years’ experience in the envi ...

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Robert W. Rooks

Robert W. Rooks - PE, Senior Vice President, Principal Engineer

Phone: (603) 369-4190 x503

Bob oversees the technical execution of all work to ensure accuracy and defensibility, bringing his ruthless focus on quality to all the firm’s work product. He has a diverse engineering background, spanning more than 30 years, and maintains expertise i ...

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Coleen Kearns

Coleen Kearns - Senior Vice President - Controller

Phone: (603) 369-4190 x504

Coleen has been managing the financial details of engineering and environmental projects for 35 years. She is the most experienced and qualified accountant in New England when it comes to billing and reimbursement under the various state cleanup funds, in ...

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Erin Lambert

Erin Lambert - PE, LEED AP, Senior VP of Civil Engineering, Senior VP of People & Culture

Phone: (603) 369-4190 x527

Erin directs the Wilcox & Barton, Inc. civil engineering practice in New Hampshire, building and managing teams to deliver high-quality, individually-tailored solutions to the most complex and interesting civil engineering challenges.  Her expert ...

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Amy A. Roth

Amy A. Roth - PG, LSP, Vice President, Southern New England Environmental Team

Phone: (603) 369-4190 x509

Amy is a successful Project Director with more than 25 years of experience. She directs and manages projects, multidisciplinary scientific teams, and specialty contractors at project sites throughout New England, consistently developing and implement ...

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David L. Frothingham III

David L. Frothingham III - PE, Senior Civil Engineer

Phone: (802) 496-4747 x524

David is a Senior Civil Engineer with nearly 25 years of experience in site development, utility engineering, stormwater management, hydraulics and hydrology, erosion control, site permitting, storage tank design, and project management. He excels at navi ...

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Cynthia Theriault

Cynthia Theriault - PE, Senior Civil Engineer

Phone: (603) 369-4190 x544

Cynthia is a Senior Civil Engineer with more than 20 years of experience in land development, stormwater management, Low Impact Design, site permitting, and project management. She leads projects from concept to construction and her excellent communica ...

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John DeMille

John DeMille - LSP, Associate Vice President, Director of Project Management

Phone: (603) 369-4190 x514

John is a valued member of the Executive Team, a detail-oriented technical leader and business advocate. He streamlines projects, manages with precision, and saves clients’ money through meticulous attention to detail. John thin slices issues and homes ...

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Alan J. McLevy

Alan J. McLevy - PE, CPESC, Senior Engineer

Phone: (603) 369-4190 x507

Alan is a senior technical leader at Wilcox & Barton, Inc., drives our technical training programs, and is a technical reviewer for every type of project including site assessments, remedial designs, risk-based site closures, and environmental compliance. ...

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Paul Plagge

Paul Plagge - EIT, Senior Project Manager

Phone: (603) 369-4190 x506

Paul is a Senior Project Manager, technical lead for all Wilcox & Barton, Inc. hazardous materials projects, and trusted advisor for the company’s environmental and civil work.  With nearly 35 years’ experience, Paul has completed massive multimi ...

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