1979, Bachelor's in Engineering Science-Mechanical, Trinity University; 1997, Dartmouth Tuck Executive Education. Since 1980, with Chevron: Vice-President, Gulf of Mexico strategic business, responsible for offshore exploration and production; Vice-President, Mid-Continent, Alaska; development projects in West Africa and start-up operations in Tengiz, Kazakhstan, Papua New Guinea and China; Manager, Operations Engineering, Kazakhstan; Production Manager, Angola; President, Energy Technology Company; since 2011, President, Chevron Asia Pacific Exploration and Production, responsible for exploration and production in nine countries.