DR. WILLIAM J. WADE is President of Applied Tomographics Inc., a research and development operation specializing in down-sizing and up-powering CT scanners for future industrial applications. Formerly, he was President of LSS International, performing core analysis and CT-scanning in Trinidad, Nigeria, and Houston. His other professional experience includes positions at Champlin Petroleum Company and the Tennessee Division of Geology. He taught on carbonate depositional systems, sequence stratigraphy, carbonate petrography, physical geology, and marine geology at Louisiana State University, Montgomery College and Vanderbilt University. Currently, he is co-writing a book on carbonate reservoirs. In addition to publishing numerous technical papers, he was associate editor for the American Association of Petroleum Geologists Bulletin. He is a member of the American Association of Petroleum Geologists, Geological Society of America, Society for Sedimentary Research, Houston Geological Society, and International Association of Sedimentologists. He received a BA and MS in geology from Vanderbilt University, and a PhD in sedimentology from Louisiana State University.