John S. Chen, 62, has been Executive Chair and Chief Executive Officer of Blackberry, Ltd., a provider of mobile infrastructure, since 2013. He was a Senior Advisor of Silver Lake, a private investment firm, from 2013 to December 2016. Mr. Chen was Chairman and Chief Executive Officer of Sybase Inc., a software developer and a wholly-owned subsidiary of SAP AG from July 2010 through November 1, 2012. 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 of Sybase. In addition to serving on the Board of Blackberry since 2013, Mr. Chen was a director of Wells Fargo & Company from 2006 to 2018 and has been a Director of the Company since 2004.