Bill Buck is retired in January 2017 as General Counsel – Upstream Companies for Exxon Mobil Corporation.  

In his 30+ year career with Mobil Corporation and Exxon Mobil Corporation, Bill held multiple legal, business and management positions, including Counsel, General Counsel of Mobil Exploration Norway Inc., North American Strategic Planning Manager, Assistant Chief Attorney, and Chief Attorney. 

Bill earned his B.Sc. and J.D. from the University of Colorado and is admitted to the bars of Colorado (inactive), New York, Louisiana and Texas.  He is immediate past Chairman of the Houston Bar Foundation, which provides financial support for pro bono activities in Houston, and is a member of the Tahirih Justice Center Advisory Council. He is also a member of the Executive Committee and Advisory Board of the Institute for Energy Law (IEL) and is former Chair of the IEL Oil & Gas Practice Committee.  

Bill is married to Leslie and they have four adult children distributed between the states of Colorado and Texas.  

Class Year

1983