Fisher is a geochemist with extensive experience in the applied biogeochemistry of organic and inorganic materials. His principal research interests are the application of biogeochemical knowledge to environmental issues and hydrocarbon exploration and production problems.Kerry Sublette is a professor of chemical engineering and geosciences and Sarkeys Chair of Environmental Engineering at the University of Tulsa. He also serves as the director of the Integrated Petroleum Environmental Consortium, an Environmental Protection Agency research center. His research interests include the remediation of oil- and brine-contaminated sites and ecological indicators of the restoration of damaged soil ecosystems.