DR GEOFFREY ELLIS
Research geologist
ENERGY RESOURCES PROGRAM, U.S. GEOLOGICAL SURVEY
Dr. Geoffrey Ellis is a research geologist with the Energy Resources Program of the US Geological
Survey. His research interests include the controls on sedimentary organic geochemistry in
aquatic environments, organic-inorganic interactions in petroleum systems, gas isotope
geochemistry, and the potential for geologic hydrogen gas resources. He currently leads the
potential for geologic hydrogen gas resources of the US project within the USGS.