Doug Larson is a Senior Principal Engineer based in Massachusetts with more than 30 years of experience focused on the investigation and cleanup of hazardous waste sites throughout the United States.
He has designed and managed the implementation of a wide variety of remedial solutions to restore contaminated properties to productive reuse and to protect groundwater resources. Many of his projects address emerging or recalcitrant compounds such as per- and polyfluoroalkyl substances (PFAS), radionuclides and chlorinated solvents. He has been the technical lead on projects involving litigation support, financial risk analysis, and regulatory negotiation. Doug is frequently consulted on Brownfield projects and projects involving environmental liability transfers.
Well-versed in state and federal regulations governing environmental site work, Doug has consulted on projects under the control of the United States Environmental Protection Agency and numerous state regulatory agencies. He has taught at the University of Massachusetts Lowell, is an instructor for the Princeton Groundwater Remediation and Hydrology Courses, and lectures regularly on remediation topics at other short courses and conferences.
Doug manages Geosyntec's Northeast Region, which has a combined staff of over 300 engineers and scientists in approximately 20 offices. He served on Geosyntec's Board of Directors for four years, including one term as Corporate Secretary, and is currently a member of Geosyntec's Executive Committee.
Outside of work, Doug has used his engineering skills in the design and construction of water supply infrastructure and schools in Nicaragua and Liberia.