Staff
Company Officers and Principals
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Lucinda Jacobs, Ph.D.
President, Principal Aquatic Scientist -
Betsy Day
Vice President, Principal Sediment Scientist -
Larry F. Marx
Vice President of Corporate Development -
Russell E. Keenan, Ph.D.
Vice President, Principal Toxicologist -
Judi L. Durda
Vice President, Corporate Secretary, Principal Toxicologist -
David Livermore, R.G., L.H.G.
Principal Hydrogeologist -
William Locke, P.E.
Principal Hydrologist -
Randi Wexler
Principal, Regulatory Affairs -
Damian V. Preziosi
Principal Environmental Scientist -
James Lape
Principal Environmental Scientist, Human Health Risk Assessor -
Michael V. Ruby
Principal Scientist -
Steven O. Helgen
Principal Geochemist -
William Cutler, Ph.D., P.G.
Principal -
Reid M. Carscadden, P.E.
Principal Engineer -
Edward P. Conti, C.E.G., C.H.G., P.G.
Principal Geologist
Senior Managing Scientists and Engineers
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Robert Pastorok, Ph.D.
Senior Science Advisor, Ecologist -
Scott Becker, Ph.D.
Senior Managing Ecotoxicologist -
R. Dreas Nielsen
Senior Managing Marine Scientist, Quantitative Analyst -
Les Williams, Ph.D.
Senior Science Advisor, Aquatic Ecologist -
Laura Jones
Senior Managing Scientist -
Todd Martin, P.E.
Senior Managing Engineer, Hydrogeochemist -
Jennifer Sampson
Senior Managing Ecologist -
Andrew Nicholson, Ph.D.
Senior Managing Scientist -
Gene Revelas
Senior Managing Scientist -
Kenneth E. Kolm, Ph.D., P.G., P.Hg.
Senior Science Advisor -
Patrick O. Gwinn
Senior Managing Scientist -
John Samuelian, Ph.D.
Senior Managing Scientist -
Marcia Greenblatt, Ph.D., P.E.
Senior Managing Hydrologist -
Ellen S. Ebert
Senior Managing Scientist -
Ramesh Venkatakrishnan, Ph.D., P.G.
Senior Science Advisor
Jennifer Sampson
Senior Managing Ecologist
Ms. Jennifer Sampson is an aquatic ecologist and risk assessor with 22 years of experience investigating lotic fisheries, wetlands, and estuarine ecosystems and evaluating ecological risks associated with anthropogenic disturbance. She specializes in identifying structural and functional components of ecosystems and predicting ecological responses following chemical or physical perturbations. Ms. Sampson provides technical leadership and management of multidisciplinary environmental investigations at contaminated sediment sites. She has project experience in all aspects of remedial investigations including development of conceptual site models that result in focused, strategic study designs; sediment toxicity investigations; bioaccumulation modeling; sediment transport modeling; ecological and human health risk assessment; development of sediment remediation goals; and quantitative source evaluation. Ms. Sampson has performed and directed data analyses and literature research to address key uncertainties at contaminated sediment sites, using multiple lines of evidence to resolve disagreements among parties. Ms. Sampson’s project experience also includes technical leadership of natural resource damage assessments (NRDAs), habitat restoration, ecological research, and development of aquatic systems monitoring strategies.
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