Primary Job Title Member of the Board of Directors & Chairman of the Compensation Committee Primary Organization 
Silicon Graphics
Gender Male
Charles Boesenberg has been a member of SGI’s Board of Directors since August 2006 and serves as the chairman of the Compensation Committee. The Nominating and Corporate Governance Committee concluded that Boesenberg should continue to serve as a director of the Company due to his diverse, extensive experience as a director of public company boards
and business executive within our industry. Boesenberg’s previous experience in both business leadership and public company director service extends his range of knowledge, providing the Board with important perspectives as it leads and guides the Company from business and governance perspectives.
Boesenberg served as Executive Chairman of the board of directors of Callidus Software, a publicly traded provider of sales performance management and incentive compensation software, from November 2007 until November 2008 and has served as Non-Executive Chairman of the board of directors since November 2008.
Boesenberg has held senior executive positions at IBM and Apple and served as president and/or chief executive officer and chairman of NetIQ Corporation, Central Point Software, Magellan and Integrated Systems. Boesenberg also currently serves as an Audit, Compensation and Strategy Committee member at Boingo Wireless, Inc., a publicly traded Wi-Fi software and services provider. Boesenberg served as a director from September 2006 to August 2013 at Keynote Systems, a publicly traded provider of on-demand test and measurement products for mobile communications, VoIP, streaming and Internet performance, which was acquired by Thoma Bravo in August 2013.
Additionally, Boesenberg served from January 2013 to August 2013 on the board of Websense, Inc., a provider of Internet security software acquired by Vista Capital in June 2013.
Boesenberg served as Chairman of the board of directors at Ancestry.com, a publicly traded provider of online family history, which was acquired by Permira Funds, from July 2006 until December 2012.
He has also previously served on the boards of directors of Symantec, Interwoven, Macromedia, Onyx Software, Epicor Software and Maxtor.
Boesenberg holds a B.S. in Mechanical Engineering from the Rose Hulman Institute of Technology and an M.S. in Business Administration from Boston University.
