Tillman named Marathon Oil president, CEO

Lee M. Tillman, most recently vice-president of engineering for ExxonMobil Development Co., has been named president and chief executive officer of Marathon Oil Corp., succeeding Clarence P. Cazalot Jr.
June 13, 2013

Lee M. Tillman, most recently vice-president of engineering for ExxonMobil Development Co., has been named president and chief executive officer of Marathon Oil Corp., succeeding Clarence P. Cazalot Jr.

Tillman, a chemical engineering graduate of Texas A&M University with a PhD in chemical engineering from Auburn University, began his career with Exxon in 1989.

Cazalot, who led Marathon Oil for almost 14 years, will retire Dec. 31.

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