Team

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Consult with our managers and key personnel today regarding your environmental needs.

Executive Leaders

  • Jamie Krejsa

  • Greg Zimmerman

  • Marty Hilovsky

Administration

  • Bob Businger

  • Cathy Gore

  • Chadwick Klein

Business Development & Marketing

  • Dr. Michael Liptak

  • Chad Armour

  • Jack Shaner

Health, Safety, & Environment

  • Tim Willaman

Aquatic Survey

  • Jamie Krejsa

  • Greg Zimmerman

  • Dave Czayka

  • Rhonda Mendel

  • Paul Anderson

  • Yakuta Bhagat, Ph.D.

  • Philip Mathias

Commercial Diving Services

  • Greg Zimmerman

  • Ryan Schwegman

  • Patrick Evankovich

  • Dale Dunford

Ecological Restoration

  • Julie Bingham

  • Gavin Switzer

  • Jeff Niehaus

  • Neal Hess

  • Angelina Joseph, P.E., Env. Sp.

  • Rachel V. Spadafore, M.S.

Ecological Services

  • Dr. Michael Liptak

  • Jamie Krejsa

  • Greg Zimmerman

  • Dave Czayka

  • Jamie Willaman

  • Yakuta Bhagat, Ph.D.

  • Marty Hilovsky

  • Brendan Morgan

  • Chuck Kessler, AICP, CEP

Emergency Response

  • Kyle Lawrence

  • Jamie Krejsa

  • Joe Papineau

  • Dave Czayka

  • Max Koran

  • Tim Ator

Endangered Mussel Surveys

  • Greg Zimmerman

  • Ryan Schwegman

  • Dr. Marty Huehner

  • Dale Dunford

  • Rebecca Winterringer

  • Philip Mathias

Laboratory & Analysis

  • Jennifer Vydra

  • Kate Hansler

Stormwater Management

  • Andrew Farber, CPESC

  • Jim Sargiovanni

  • Israel Merkle

Threatened & Endangered Species

  • Greg Zimmerman

  • Ryan Schwegman

  • Dr. Marty Huehner

  • Jamie Willaman

  • Mary Gilmore

  • Teal Richards-Dimitrie

  • Philip Mathias

Wetlands & Streams

  • Dr. Michael Liptak

  • Laura Sayre

  • Jamie Willaman

  • Emma Kennedy

Environmental Compliance Services

  • Kyle Lawrence

  • Dominic Nardis

  • Chrisie Brown, P.E., BCEE

  • Sheila Rayman, P.E.

  • Lisa Novosat-Gradert