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John A. Connor


GSI Environmental, Inc.

Mr. Connor is President of GSI Environmental Inc. (GSI). He received an M.S. in Civil Engineering from Stanford University and has 37 years of experience in environmental engineering, with specialization in environmental site investigation, human health and ecological risk assessment, corrective action design, and design and permitting of treatment facilities. Mr. Connor is a Registered Professional Engineer, a Licensed Professional Geoscientist, and a Diplomate in the American Academy of Environmental Engineering.

Mr. Connor has authored numerous technical publications regarding natural attenuation, chemical fate and transport modeling, environmental risk assessment, and remediation technologies, and has developed and presented technical training programs on these topics in the U.S., Canada, Latin America, and the Middle East. He has served as an instructor in Groundwater Hydrology at the University of Houston, Chairman of the Houston Local Emergency Planning Committee (LEPC), and a Certified Trainer for the USEPA/ASTM Risk-Based Corrective Action (RBCA) Training Initiative, and was a technical consultant for development of risk-based regulatory programs in approximately 15 states across the U.S., as well as in Canada and Latin America. He is the author of software programs that are among the most widely used internationally for risk-based assessment and remediation of soil and groundwater impacts.

Mr. Connor is an expert in environmental management issues related to the development of oil and gas, including water resource protection, the potential effects of hydraulic fracturing, and applicable remediation technologies for upstream oilfield operations in North America and abroad. He has also conducted environmental research and forensic analyses for a broad range of industries and chemicals, including emerging contaminants such as PFAS and 1,4-dioxane.

Product Type
On Demand

Fundamentals of Hydrogeology in Groundwater Litigation

Megan Nishikawa |  John A. Connor |  David T. Adamson, Ph.D., PSE |  Lisa Molofsky
60 Minutes
Audio and Video
Original Program Date:
Jan 24, 2019
$25.00 - Base Price

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