R. Jeffrey Davis, P.E., CGWP, CWRE
Logan Uselman, Ph.D., P.G.
Mandy Tulich, P.G.
Steven O. Helgen
Mr. Steve Helgen is a consultant specializing in geochemistry, hydrogeology, and environmental forensics. He has more than 20 years of experience in contaminant fate and transport, geochemical fingerprinting, and apportionment in complex, multiparty environmental disputes involving sediments, groundwater, and industrial facilities. Mr. Helgen has provided expert testimony in both state and federal courts.
David Livermore, R.G., L.H.G., CWRE
Mr. David Livermore is a principal hydrogeologist and geochemist with 30 years of experience in solving complex earth science problems centered on the interaction of hydrogeologic, geologic, and atmospheric systems. He is a registered professional geologist in six states and a licensed hydrogeologist in Washington.
Avram Frankel, P.E.
Mr. Avram Frankel is a program manager with nearly 30 years of experience working on a wide range of commercial/industrial, municipal, state, and federal sites regulated under a variety of regulatory programs. Licensed in four states, he provides clients with strategic management and technical analysis of due diligence, redevelopment, technology evaluation, remediation, and litigation matters.