The global climate change ad hoc committee consists of:
Jay Gregg (chairman) – Holder of the V. Brown Monnett Chair of Petroleum Geology and head of the geology department at Oklahoma State University. In 2005, Gregg took part in the Integrated Ocean Drilling Program Expedition in the North Atlantic to core the Upper Cenozoic, deep, cold water coral/mud mounds, researching the petrology and diagenesis of these sediments.
Lee Gerhard – Retired director of the Kansas Geological Survey and professor at the University of Kansas; past president of the AAPG Division of Environmental Geoscience; co-editor of AAPG Studies #47 Geological Perspectives of Global Climate Change.
Eugene Shinn – Formerly carbonate research geologist with the U.S. Geological Survey; presently consultant and courtesy professor at the College of Marine Geology, University of South Florida.
Charles Groat – DEG president-elect, former head of the U.S. Geological Survey and current director for the Center for International Energy and Environmental Policy, and holder of the Jackson Chair of Energy and Environmental Resources, University of Texas at Austin.
Art Green – Of Gig Harbor, Wash., retired, former Exxon chief geologist and a 2004-05 AAPG Distinguished Lecturer on “The Dynamics of the Sun/Earth Climate System.”
Isabel Montanez – Professor at University of California at Davis, a past AAPG Distinguished Lecturer and recent co-author for the paper on paleoclimate determination in Permian. Her lecture topics were “Evolution of Strontium and Carbon Isotope Composition of Cambrian Oceans: Potential for Tectonic, Paleoceanographic and Biogeochemical Events” and “Evolution of Permian Atmospheric CO2 and Western Equatorial Pangean Climate as Recorded by Paleosol Morphologic and Geochemical Proxies.”
Eric Barron – Dean, Jackson School of Geoscience, University of Texas at Austin, and former director of Penn State University’s EMS Environment Institute. He has chaired several national research boards, including the Board on Atmospheric Sciences and Climate of the National Academies.