William R. Klesse
William "Bill" R. Klesse is the current Chairman of the Board for Valero Energy Corporation. He served as Chief Executive Officer from December 31, 2005 to April 30, 2014, and President from January 17, 2008 to December 31, 2012. He previously held positions with Valero as Vice Chairman of the Board, Executive Vice President, and Chief Operating Officer. Prior to that time, he was the Chief Operating Officer of Valero Energy Corp. from January 2003 to January 3, 2006. Before these roles, he served as Executive Vice President-Refining and Commercial Operations, from Valero's acquisition of Ultramar Diamond Shamrock Corporation (UDS) in 2001. Klesse has been employed with Valero and its predecessor companies for 40 years.
As the CEO of Valero Energy Corporation, William R. Klesse earned a total compensation of $6,638,187 in 2008, which included a base salary of $1,500,000, a cash bonus of $705,510, stocks granted of $2,058,846, options granted of $2,235,337, and other compensation of $138,494.  In 2009, Klesse earned a total compensation of $10,906,821, which included a base salary of $1,500,000, no cash bonus, stocks granted of $4,905,200, options granted of $4,306,896, and other compensation of $194,725.  His total compensation for 2011 was $11,027,067.
- http://investing.businessweek.com/research/stocks/people/person.asp?personId=371573&ticker=VLO Businessweek profle
- Executive Team: Bill Klesse, www.valero.com
- Officers and Directors Detail: Valero Energy Corporation - Klesse, William, www.reuters.com
- 2008 CEO Compensation for William R. Klesse, Equilar
- 2009 CEO Compensation for William R. Klesse, Equilar
- http://www.forbes.com/profile/william-klesse/ Forbes profile, 8/31/2012