Wayne M. Ahr, PhD, is a professor in the Department of Geology and Geophysics with a joint appointment in the Department of Petroleum Engineering at Texas A&M University. Dr. Ahr has published 150 technical papers and abstracts. He is a Certified Petroleum Geologist and a member of the American Association of Petroleum Geologists, where he serves as Associate Editor. He is also a member of the Society for Sedimentary Geology and the Society of Petrophysicists and Well Log Analysts; is a lifetime member of the Fulbright Association; and serves on the editorial board of the Geological Journal.