William R. Granberry has over 40 years of experience in the oil and gas industry. Mr. Granberry is a member of the Board of Directors of The Williams Companies, Inc. and is a member of Compass Operating Company, LLC, a small, private oil and gas exploration, development and producing company with properties in West Texas and Southeast New Mexico. From 1999 through September 2004, he managed investments and consulted with oil and gas companies. Mr. Granberry was President and Chief Operating Officer of Tom Brown, Inc. from 1996 to 1999. Tom Brown, Inc. was a public oil and gas company with exploration, development, acquisition and production activities throughout the central United States. Mr. Granberry earned B.S. and M.S. degrees in Petroleum Engineering from the University of Texas and upon graduation, worked for Amoco Production Company for 16 years.