Consult with our managers and key personnel today regarding your environmental needs.
Executive Leaders
Jamie Krejsa
Greg Zimmerman
Marty Hilovsky
Administration
Cathy Gore
Chadwick Klein
Business Development & Marketing
Greg Zimmerman
Chad Armour
Jack Shaner
Dr. Michael Liptak
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
Jamie Krejsa
Greg Zimmerman
Dr. Michael Liptak
Dave Czayka
Jamie Willaman
Yakuta Bhagat, Ph.D.
Marty Hilovsky
Brendan Morgan
Chuck Kessler, AICP, CEP
Emergency Response
Jamie Krejsa
Kyle Lawrence
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
Emmalisa Kennedy
Environmental Compliance Services
Kyle Lawrence
Dominic Nardis
Chrisie Brown, P.E., BCEE
Sheila Rayman, P.E.
Lisa Novosat Gradert