An Experienced Team of Industry Thought Leaders - North America

TRS fields a deep bench of skilled management-level positions with expertise in all aspects of ERH and TCH remediation. Our competitive advantage is grounded on extensive field experience integrating ERH with other technologies such as multi-phase extraction (MPE), bioremediation, and chemical oxidation. We bring state-of-the-art engineering, time-tested case studies, and unparalleled professional project oversight to the table.

TRS Group Executive and Senior Management Team

Brett Trowbridge
President/CEO

Tim Warner
VP - U.S. Operations & Co-Managing Director-TRS Europe

Daniel Oberle, P.E., JD
Vice President, Engineering

David Fleming
Founder - Director of Federal Programs & West Coast Sales

Mark Kluger
Vice President - Sales & Marketing

Wayne Rebich
Chief Financial Officer

Tom Powell
Technology Group Leader

Chris Blundy
Senior Project Manager

Drew Small
Senior Project Manager

Lynette Stauch
Senior Project Manager

Chris Thomas
Senior Project Manager

Eric Maki, P.E.
Principal Engineer

Chad Crownover
Senior Engineer

Michelle Nanista, P.E.
Senior Engineer

Doug Seiler
Senior Engineer

Dave Milan
Senior Programming Engineer

Dale Plampin
Controller

Tracy Barton
Marketing

An Experienced Team of Industry Thought Leaders - Europe

TRS fields a deep bench of skilled management-level positions with expertise in all aspects of ERH and TCH remediation. Our competitive advantage is grounded on extensive field experience integrating ERH with other technologies such as multi-phase extraction (MPE), bioremediation, and chemical oxidation. We bring state-of-the-art engineering, time-tested case studies, and unparalleled professional project oversight to the table.

TRS Europe Executive and Senior Management Team

Timothy Warner
Co-Managing Director, TRS Europe

Marco van den Brand
Co-Managing Director, TRS Europe

Miles Stumbaugh
Client Relations Manager/Project Manager, TRS Europe

Jack van Rossum
Contract Manager, TRS Europe

Amy Wagner
Project Engineer, TRS Europe

Ton Huijben
Site Manager, TRS Europe

Tracy Barton
Marketing Manager, TRS Europe

Quentin Hulm
Managing Director - Cornelsen Ltd.

Matthew Ingram
Engineering Manager - Cornelsen Ltd.

Andy Hann
Operations Manager - Cornelsen Ltd.

Erik Bäcklund
Founder and Managing Director - Midroc Miljöteknik

Erik Löfgren
Project Director - Midroc Miljöteknik

Jurgen Buhl
Sales Director - Cornelsen Umwelttechnologie GmbH

Martin Cornelsen
Managing Partner - Cornelsen Umwelttechnologie GmbH

An Experienced Team of Industry Thought Leaders - South America

TRS fields a deep bench of skilled management-level positions with expertise in all aspects of ERH and TCH remediation. Our competitive advantage is grounded on extensive field experience integrating ERH with other technologies such as multi-phase extraction (MPE), bioremediation, and chemical oxidation. We bring state-of-the-art engineering, time-tested case studies, and unparalleled professional project oversight to the table.

TRS Doxor Executive and Senior Management Team

Thiago L Gomes

Jake Seeman, P.E.
Senior Engineer

An Experienced Team of Industry Thought Leaders - China

TRS fields a deep bench of skilled management-level positions with expertise in all aspects of ERH and TCH remediation. Our competitive advantage is grounded on extensive field experience integrating ERH with other technologies such as multi-phase extraction (MPE), bioremediation, and chemical oxidation. We bring state-of-the-art engineering, time-tested case studies, and unparalleled professional project oversight to the table.

TRS China Executive and Senior Management Team

Andrew Small
Senior Project Manager

Sun Wei
Marketing Executive

Personnel Profiles

Click on photo to see profile here

Michelle Nanista, P.E.
Senior Engineer

Michelle Nanista, a Senior Engineer with TRS Group, Inc, is responsible for supporting the TRS project managers with site design, construction, operations and innovations during our ERH remediation projects. Ms. Nanista joined TRS in 2008 shortly after graduating Magna Cum Laude with a Bachelor of Science in Chemical Engineering from the University of Missouri. Ms. Nanista manages the cost estimating efforts for the engineering group. In addition she develops detailed drawings for active projects and participates in project design reviews for projects assigned to other engineers. Over the last 6 years, Ms. Nanista has designed and provided engineering assistance on numerous ERH projects across the United States.

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