Team

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The diverse backgrounds of the EnviroScience team of biologists, environmental engineers, scientists, and divers enable us to provide an integrated approach to solving any environmental challenge—saving clients time, reducing costs, and ensuring high-quality results. Consult our experts today!

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

  • Eric Romaniszyn

  • Dave Czayka

  • Rhonda Mendel

  • Kevin Reed

  • Paul Anderson

  • Dr. Yakuta Bhagat

  • Brian Carlson

  • Philip Mathias

  • Nicole Stolic

Commercial Diving Services

  • Greg Zimmerman

  • Patrick Evankovich

Ecological Restoration

  • Jim Moyer, P.E.

  • Rachel Lumpcik

  • Julie Bingham

  • Jeff Niehaus

  • Neal Hess

  • Angelina Hotz, P.E., ENV. SP.

Ecological Services

  • Jamie Krejsa

  • Greg Zimmerman

  • Dr. Christina Voorhees, CWB

  • 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

  • Amy Wakefield

  • Kyle Lawrence

  • Joe Papineau

  • Dave Czayka

  • Max Koran

  • Tim Ator

Endangered Mussel Surveys

  • Greg Zimmerman

  • Brian Carlson

  • Rebecca Winterringer

  • Philip Mathias

  • Emily Grossman

  • Marty Huehner, PhD

  • Chuck Howard

Laboratory & Analysis

  • Jennifer Vydra

  • Brad Bartelme

  • Alex Tite

  • Alison Frohn

Stormwater Management

  • Jim Sargiovanni

  • Israel Merkle

Threatened & Endangered Species

  • Greg Zimmerman

  • Dr. Christina Voorhees, CWB

  • Rex Everett

  • Jamie Willaman

  • Mary Gilmore

  • Brian Carlson

  • Teal Richards-Dimitrie

  • Rebecca Winterringer

  • Philip Mathias

  • Marty Huehner, PhD

  • Stan Boder

Wetlands & Streams

  • Eric Romaniszyn

  • Rachel Lumpcik

  • Rex Everett

  • Sean Kline

  • Dr. Michael Liptak

  • Elise Bartelme

  • Laura Sayre

  • Jamie Willaman

  • Emmalisa Kennedy, PWS

  • Brian Carlson

  • Clement Riddle, PWS

Environmental Compliance Services

  • Amy Wakefield

  • Elizabeth Wick, P.E.

  • Sheila Rayman, P.E.

  • Kyle Lawrence

  • Dominic Nardis

  • Tim Ator

  • Chuck Kessler, AICP, CEP


Few environmental firms in the country retain EnviroScience’s degree of scientific know-how, talent, and capability under one roof. The diverse backgrounds of our biologists, environmental engineers, scientists, and divers enable us to provide comprehensive in-house services and an integrated approach to solving environmental challenges—saving clients time, reducing costs, and ensuring high-quality results.

Our client guarantee is to provide “Excellence in Any Environment” meaning no matter what we do, we will deliver on our Core Values of respect, client advocacy, quality work, accountability, teamwork, and safety. EnviroScience was created with the concept that we could solve complex problems by empowering great people. This concept still holds true today, as our scientists explore the latest in environmental legislation and regulations and incorporate the most up-to-date technology to gather and report data.

EnviroScience expertise includes but is not limited to: aquatic survey (including macroinvertebrate surveys and biological assessments); ecological restoration; ecological services (including impact assessments, invasive species control, and water quality monitoring);  emergency response; engineering and compliance services; endangered mussel surveys; laboratory and analysis; stormwater management; threatened and endangered species; and wetlands and streams (including delineation and mitigation). Further, EnviroScience is one of the few biological firms in the country that is a general member of the Association of Diving Contractors International (ADCI) and offers full-service commercial diving services.