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
David R. Hart, M.A., RPA
Cultural Resources Division Director / Principal Investigator / Senior Archaeologist
Jean Marie L. Rieck, M.S., QAWB, CEI/CES/CEC
Natural Resources Division Director / NEPA Planner / Senior Wildlife Biologist
Christine Markussen, M.A., RPA
Geospatial/GIS Division Director / Supervisory Archaeologist
Gregory M. Haynes, Ph.D.
Principal Investigator / Program Manager / Senior Archaeologist
Josh Whiting, M.A., RPA
Principal Investigator / Project Manager / Senior Archaeologist
Stewart Deats, M.Ed.
Principal Investigator / Project Manager / Lab Director / Senior Archaeologist
Brian M. Thibodeaux, M.A.
Project Director / Bioarchaeologist / Supervisory Archaeologist
Blayne R. Brown, B.A.
Supervisory Archaeologist / Project Director / Scientific Illustrator
Travis I. Ellison, B.A.
GIS specialist / Supervisory Archaeologist
Nick K. Uehling, B.S., CEI/CEC
Vegetation Management Program Coordinator / Natural Resources Specialist
Rafael A. Reyna, M.N.R.S.
Environmental Planner / NEPA Specialist / Technical Writer and Editor
Controller / Accounting