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
Michael V. Ruby
Principal Scientist
Mr. Michael Ruby is an environmental chemist with 20 years of experience in site investigation and remediation, human health exposure analysis, and litigation support. He specializes in designing and managing site investigations and studies to establish the transport and fate of organic and inorganic compounds in the environment. Mr. Ruby has directed multidisciplinary projects pertaining to soil, sediment, solid waste, surface water, and groundwater quality and on developing remedial strategies for such sites. These projects have been conducted under CERCLA, RCRA, and state-led programs.
Mr. Ruby’s litigation support work has focused on both metals and organic contaminants in the environment and has included cases for cost allocation and toxic tort suits. He has provided litigation support and expert witness services at mining and mineral processing sites, manufacturing sites, wood-treating sites, and salvage and supply yards. He has been called on to evaluate the timing, responsibility, causation, and human exposures resulting from releases of contaminants at these sites.
Mr. Ruby is recognized internationally for his work on quantifying human exposures to metals (arsenic, beryllium, cadmium, chromium, lead, mercury, and nickel) and organic compounds (dioxins/furans and PAHs) from soil. He has conducted extensive research on oral bioavailability and dermal absorption issues and is widely published in peer-reviewed journals on these topics. Mr. Ruby served on the National Research Council’s Committee on Bioavailability of Contaminants in Soils and Sediments, which published a state-of-the-science review on bioavailability.
Mr. Ruby leads Integral’s alternative dispute resolution practice. In this capacity, he provides mediation and facilitation services to parties engaged in environmentally related conflict.
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