Jeff Duncan

Jeff Duncan, P.G. has over 25 years of experience in the environmental industry. Jeff currently serves as the Principal at ONE Environmental Group, LLC, a position they have held since 2012. Prior to this, they were the General Manager at Security Storage & Van Co. from 2005 to 2012. Jeff also worked as a Senior Project Manager at Groundwater & Environmental Services, Inc. from 2001 to 2005, and as a Project Geologist at ERM: Environmental Resources Management from 1998 to 2000. Earlier in their career, they held the position of Project Manager at Omega Environmental Services from 1997 to 1998, and Project Geologist at Mintech Environmental Engineers from 1994 to 1997. Jeff'sexpertise and knowledge gained from these various roles have helped shape their successful career in the environmental industry.

Jeff Duncan, P.G. holds a Bachelor of Science degree in Geology from Old Dominion University, which they completed in 1993. Jeff then pursued a Master of Science degree in Environmental Science from Oklahoma State University, which they obtained in 1998. In terms of additional certifications, Jeff Duncan is an Erosion and Sediment Control Inspector, certified by the Virginia Department of Environmental Quality in May 2019. Jeff is also a Certified Professional Geologist, recognized by the Commonwealth of Virginia since August 2000. Jeff Duncan holds the title of Professional Geologist as well, although the institution and year of obtaining this certification are unspecified.