Douglas J. Jacobson has been Executive Vice President - Acquisitions and Divestitures since April 2006. He served as Senior Vice President - Acquisitions and Divestitures from 1999 to March 2006. Prior to joining the company, Mr. Jacobson was employed by Samson Investment Company from 1980 until August 1999, where he served as Senior Vice President - Project Development and Marketing from 1996 to 1999. Prior to joining Samson, Mr. Jacobson was employed by Peat, Marwick, Mitchell & Co. Mr. Jacobson has served on various Oklahoma legislative commissions which have addressed issues in the oil and gas industry, including the Commission of Oil and Gas Production Practices and the Natural Gas Policy Commission. Mr. Jacobson is a Certified Public Accountant and graduated from John Brown University in 1976 and from the University of Arkansas in 1977.