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William Hopper

William Hopper is a Client Manager at Partner Engineering and Science, Inc. with a focus on environmental due diligence, environmental assessments, and remediation. With over 20 years of experience in the environmental due diligence, environmental assessment and remediation industries, Mr. Hopper has managed and developed environmental due diligence programs, conducted environmental field investigations, operated and maintained of soil and groundwater remediation systems, and landfill monitoring.

He has a thorough understanding of environmental rules and regulations, and has extensive experience conducting American Society for Testing and Materials (ASTM) Phase I’s and Phase II’s, transaction screens, preliminary and comprehensive response actions including the removal of underground storage tanks (USTs), performing emergency response actions, and performing compliance activities at gasoline service stations.

Mr. Hopper will manage banking, developer and property management clients throughout New England. He will utilize his program management and client relationship skills to grow the environmental due diligence business in the Northeast.


B.S. from the School of Natural Resources at the University of Vermont.