L William Krause

L. William Krause has served as a Director of Core-Mark since August 2005. Mr. Krause presently serves as President of LWK Ventures, a private investment firm, a position he has held since 1991. Mr. Krause served as Chairman of the Board of Caspian Networks, Inc., a high performance networking systems provider, from April 2002 to September 2006 and as CEO from April 2002 until June 2004. From September 2001 to February 2002, Mr. Krause was Chairman and Chief Executive Officer of Exodus Communications, Inc., which he guided through Chapter 11 Bankruptcy to a sale of assets. He also served as President and Chief Executive Officer of 3Com Corporation, a global data networking company, from 1981 to 1990, and as its Chairman from 1987 to 1993 when he retired. Presently, Mr. Krause serves on the board of directors of Brocade Communications Systems, Inc., Packeteer, Inc., Sybase, Inc., and TriZetto Group. Mr. Krause received a Bachelor of Science degree in electrical engineering from The Citadel.