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Thomas Jansson

Thomas Jansson is a Principal Hydrogeologist with more than 30 years of experience as an environmental consultant, focusing on Brownfield assessments and site remediation.

Mike Jenkins, Ph.D., P.E.

Mike Jenkins is a Senior Principal Engineer based in Florida with more than 30 years of experience focused on coastal projects.

Hong Jin, Ph.D.

Dr. Hong Jin is a Senior Professional based in Texas with more than 13 years of oil and gas industry experience, working for firms such as ConocoPhillips, Phillips 66, and…

Mark Johnson

Mark Johnson is a Principal Consultant based in Maryland with more than 23 years of experience focused on transactional support, site investigation and remediation, subsurface vapor intrusion to indoor air,…

Ronald Johnson, P.E., G.E.

Ronald Johnson is a Senior Principal Geotechnical Engineer based in California who has been focused on the most seismically active areas of the United States throughout his career. He has…

Lange Jorstad, Ph.D.

Lange Jorstad, Ph.D., is a Principal Contaminant Hydrogeologist with 25 years’ experience in the design, management and delivery of contaminated land assessment and remediation services and related corporate advisory services…