John G. Hattner
Senior Vice President / Executive Committee
M.B.A., Saint Mary's College of California, 1989; M.S. in Geological Oceanography, Florida State University, 1980; B.S. in Geology, University of Miami, Florida, 1976. John joined NSAI in 1991. He was previously a Geophysicist for Chevron Overseas Petroleum, Amoseas Indonesia, and Chevron Petroleum U.K. John has served as the geologic leader on large projects in Mexico and Bolivia, a significant number of coalbed methane evaluations in domestic and international basins, and several evaluations for large international independents covering their worldwide exploration portfolios in Australia, Southeast Asia, the United States, Gulf of Mexico deepwater, the North Sea, and West Africa.