EnviroSystems consists of a team of highly trained professionals with over 150 years of combined experience in environmental regulatory compliance, natural and biological resources management, archaeological/cultural resources management, geospatial and GIS services, noxious weed management, and public relations. Our Division Directors and Project Managers build customized teams of qualified full-time, part-time, and temporary professionals for each project to match the needs of our clients.
Stephanie A. Treptow, B.S., CEI/CES/CEC, Q.P.
President / Principal-In-Charge / Natural Resources Division Director
David R. Hart, M.A., RPA
Vice President / Cultural Resources Division Director
Christine Markussen, M.A., RPA
Vice President / Geospatial / GIS Division Director
Gail D. Lowe, CPA, MBA
Chief Financial Officer
Josh Whiting, M.A., RPA
Principal Investigator / Project Manager / Senior Archaeologist
Stewart Deats, M.Ed.
Principal Investigator / Project Manager / Lab Director / Senior Archaeologist
Blayne R. Brown, B.A.
Supervisory Archaeologist / Project Director / Scientific Illustrator
Travis I. Ellison, B.A.
GIS Specialist / Supervisory Archaeologist
Ehren D. Keltz, M.A., RPA
Crispin A. Wilson, M.A., RPA
Emily Phillips, M.A., RPA
Cultural Resources Supervisory Archaeologist
Kristoffer “Izzy” Stein, M.A.
Project Director/Supervisory Archaeologist
Eric L. Herman, M.EP
Nick K. Uehling, B.S., CEI/CEC
Vegetation Management Program Coordinator / Natural Resources Specialist
Zachary M. Ventrella, B.A.
Vegetation Management Field Coordinator
Joianne Meyers, B.S.