He has served as SunPower Corporation's chief executive officer and as a member of the SunPower Board of Directors since June of 2003. SunPower is a publicly traded corporation that delivers the highest-efficiency solar cells and solar panels, and the most advanced solar energy systems. Prior to joining SunPower, he held the position of chief executive officer of Silicon Light Machines, Inc., an optical solutions subsidiary of Cypress Semiconductor Corporation. Previously, Werner was vice president and general manager of the Business Connectivity Group of 3Com Corp., a network solutions company. He has also held a number of executive management positions at Oak Industries, Inc., and General Electric Co.
Mr. Werner currently serves as a board member of Cree, Inc., Silver Spring Networks, and the Silicon Valley Leadership Group. Werner holds a bachelor's degree in industrial engineering from the University of Wisconsin–Madison, a bachelor's degree in electrical engineering from Marquette University and a master's degree in business administration from George Washington University.
He is a member of the Marquette University Archbishop Henni Founders Society and the Marquette University President's Society.