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Charles Williamson was the Executive Vice-President of Chevron Corporation (integrated oil and gas company) from August to December 2005, Chairman and Chief Executive Officer of Unocal Corporation ("Unocal") (oil and gas exploration and development company) from 2001 to 2005 and held various executive positions within Unocal, including Executive Vice President, International Energy Operations and Group Vice President, Asia Operations prior to 2001. Dr. Williamson holds a Bachelor of Arts degree in Geology, a Master of Science degree in Geology and a Doctorate in Geology.
Current public company directorships7: Weyerhaeuser Inc. and PACCAR Inc.
Other current directorships | 