Consult with our managers and key personnel today regarding your environmental needs.
Executive Leaders
Jamie Krejsa
Greg Zimmerman
Marty Hilovsky
Operations
Kyle Lawrence
Dave Czayka
Jamie Willaman
Business Development & Marketing
Greg Zimmerman
Patrick Geraghty
Jack Shaner
Clement Riddle, PWS
Greg Hocevar
Health, Safety, & Environment
Tim Willaman
Aquatic Survey
Jamie Krejsa
Greg Zimmerman
Dave Czayka
Rhonda Mendel
Paul Anderson
Dr. Yakuta Bhagat
Philip Mathias
Nicole Stolic
Brian Carlson
Commercial Diving Services
Greg Zimmerman
Patrick Evankovich
Ecological Restoration
Julie Bingham
Gavin Switzer
Jeff Niehaus
Neal Hess
Angelina Hotz, P.E., ENV. SP.
Ecological Services
Jamie Krejsa
Greg Zimmerman
Dr. Michael Liptak
Dave Czayka
Krista Tomasello
Jamie Willaman
Dr. Yakuta Bhagat
Marty Hilovsky
Brendan Morgan
Chuck Kessler, AICP, CEP
Nicole Stolic
Reiss Warren
Emergency Response
Jamie Krejsa
Kyle Lawrence
Joe Papineau
Dave Czayka
Kevin Reed
Max Koran
Tim Ator
Endangered Mussel Surveys
Greg Zimmerman
Dr. Marty Huehner
Rebecca Winterringer
Philip Mathias
Brian Carlson
Laboratory & Analysis
Jennifer Vydra
Brad Bartelme
Stormwater Management
Jim Sargiovanni
Israel Merkle
Threatened & Endangered Species
Greg Zimmerman
Dr. Marty Huehner
Jamie Willaman
Mary Gilmore
Teal Richards-Dimitrie
Rebecca Winterringer
Philip Mathias
Brian Carlson
Wetlands & Streams
Sean Kline
Dr. Michael Liptak
Laura Sayre
Jamie Willaman
Emmalisa Kennedy, PWS
Clement Riddle, PWS
Brian Carlson
Environmental Compliance Services
Sheila Rayman, P.E.
Kyle Lawrence
Dominic Nardis
Tim Ator
Chuck Kessler, AICP, CEP