HOUSTON, Jan. 29, 2013 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE: MRO) announced today that Michael J. Stover, currently manager of the Company's mid-continent production operations, has been appointed to the newly established position of vice president, Operations Services effective Feb. 1, 2013. In this role, Stover will have oversight responsibility for Marathon Oil's Upstream Development, Technology, Technical Excellence, Global Procurement, Land and Commercial Services , and Drilling and Completions activities. Stover will be based in Houston and report to Marathon Oil Corporation chairman, president and CEO Clarence P. Cazalot Jr. "Establishing this new position and capturing the increased organizational alignment associated with it is consistent with our ongoing drive to achieve greater efficiencies throughout Marathon Oil," said Cazalot. "Mike possesses a strong blend of operations, technical and planning experience and expertise that will play an important role in our ability to further optimize the contributions of these key services to our continued success." Stover earned a Bachelor of Science degree in petroleum and natural gas engineering from Pennsylvania State University in 1986. He joined Marathon Oil that same year, initially as a roustabout, followed by operations and reservoir engineering assignments for the Yates Field located in West Texas. In 1991, he transferred to the Company's international group in Houston and was responsible for reservoir and economic studies for fields in Ireland, Tunisia, and Norway. From 1995 thru 2000, Stover was located in Anchorage, Alaska, where he worked both development and exploration projects associated with Marathon Oil's operations on the Kenai Peninsula. In 2000, he joined Marathon Oil's Corporate Strategic Planning group in Houston. In this assignment, his responsibilities included business planning and corporate portfolio modeling to support the reorganization of USX Corporation that lead to the establishment of Marathon Oil Corporation as a standalone company.