Dr. Sonnenberg specializes in sequence stratigraphy, tectonic influence on sedimentation, reservoir characterization, unconventional resources, and petroleum traps. His career includes leadership positions at Exxon, EnCana Energy Resources, and Anadarko Petroleum. He is a licensed professional geologist in the State of Utah, and serves on the advisory committee for the Department of Geology and Geophysics at Texas A&M University. Dr. Sonnenberg served as Chairman of the Colorado Oil & Gas Conservation Commission from 1999 until 2003, and holds several awards, including a 2003 fellowship with the Geologic Society of America.