John S. Chen, 56, is Senior Advisor of Silver Lake, a private investment firm. Previously, Mr. Chen was Chairman and Chief Executive Officer of Sybase Inc., a software developer and a wholly-owned subsidiary of SAP AG. Prior to SAP's acquisition of Sybase in July 2010, Mr. Chen had been Chairman of the Board, Chief Executive Officer and President of Sybase, Inc., since November 1998. From February 1998 through November 1998, he served as co-Chief Executive Officer. Mr. Chen joined Sybase in August 1997 as Chief Operating Officer and served in that capacity until February 1998. From March 1995 to July 1997, Mr. Chen was President of the Open Enterprise Computing Division, Siemens Nixdorf, a computer and electronics company, and Chief Executive Officer and Chairman of Siemens Pyramid, a subsidiary of Siemens Nixdorf. He has been a director of Wells Fargo & Company since 2006. Mr. Chen has been a Director of the Company since 2004.