Gary M. Birk, P.E.

Gary is a founder and Managing Partner of Tersus Environmental.  He has a Bachelor’s degree in chemical engineering from North Carolina State University and holds registrations as a Professional Engineer in North Carolina, Virginia, and Florida.  Well-known for his contributions to in situ anaerobic groundwater remediation, he has worked on over 200 enhanced reductive dechlorination projects in North America, Europe, Asia, and Africa.

Gary’s focus is on engaging cutting-edge, sustainable green technologies that help environmental consulting companies restore or remediate groundwater and soil at challenging sites associated with Fortune 500 companies, the U.S. Departments of Energy and Defense, and NASA.  Gary has worked extensively in the field of bioremediation and environmental consulting on soil and groundwater assessments and clean-ups.  His experience includes two decades as an environmental contractor and consultant focused on project management of multiphase, multidisciplinary environmental design and construction projects, predominantly for industry and utilities.  Gary has authored Design Tools for in situ bioremediation that have advanced the state-of-the-practice in estimating substrate application rates.