Marathon Oil Names Lee Tillman To Succeed Dennis Reilley As Chairman

Marathon Oil Corp. (NYSE: MRO) has appointed Lee Tillman as chairman of the U.S. shale producer, the Houston-based company said Jan. 30.

Tillman, president and CEO of Marathon, will succeed Dennis Reilley, effective Feb. 1. The company said in its release that Reilley had elected to retire after nearly six years as chairman and more than 17 years on the Marathon Oil board of directors.

“It’s been a privilege to work with Dennis. He has served our company and our shareholders with distinction, and has been a strong proponent in Marathon Oil’s transformational journey to a differentiated U.S. independent E&P,” Tillman said in a statement.