Board of Directors

Paul Nahi has served as our President and Chief Executive Officer and as a member of our board of directors since January 2007. From 2003 to December 2006, Mr. Nahi served as President and Chief Executive Officer of Crimson Microsystems, Inc., a fabless semiconductor company, where he was responsible for all aspects of the company’s operations. From 1999 to 2003, Mr. Nahi served as Chief Executive Officer and co-founder of Accelerant Networks, Inc., a semiconductor company, acquired by Synopsys Inc. in February 2004. From 1998 to 1999, Mr. Nahi served as the General Manager of the Communications and Media Divisions for NEC Electronics Corp., a global electronics company. From 1994 to 1998, Mr. Nahi served as the Senior Director for Diamond Multimedia Systems, Inc., a computer peripheral device company. Mr. Nahi holds a bachelor of science degree in computer science and a master of business administration degree from the University of Southern California. Mr. Nahi brings to our board of directors demonstrated leadership and management ability at senior levels. In addition, his years of experience in the semiconductor and electronics industries provide a valuable perspective for our board. He also brings continuity to our board and historical knowledge of our company through his tenure as President and Chief Executive Officer.

Robert Schwartz has served as a member of our board of directors since February 2007. Since June 2000, Mr. Schwartz has been Managing Partner of Third Point Ventures, the Sunnyvale, California-based venture capital arm of Third Point LLC, which is a registered investment adviser based in New York and the investment manager of the Third Point Funds. Since 1984, Mr. Schwartz has also been the President of RF Associates North, Inc., a privately-held technical manufacturer’s representative firm. Mr. Schwartz is presently a director of several privately-held companies. Mr. Schwartz holds an undergraduate engineering degree from the University of California, Berkeley. Mr. Schwartz’s background as an executive of a technical manufacturer’s representative firm provides our board and management with important insights on supply chains and sales channels. In addition, his experience as a venture capital investor and his long-standing experience on our board enables him to provide key insight, historical knowledge and guidance to our management team and board of directors.

Stoddard M. Wilson has served as a member of our board of directors since April 2008. In February 1998, Mr. Wilson joined RockPort Partners as a General Partner, a merchant bank specializing in the energy and environmental sectors, and helped form their venture fund in 2001. From August 1996 to January 1998, Mr. Wilson served as a general manager of Montague Corporation, a manufacturing company. From July 1990 to June 1994, Mr. Wilson served as Director of External Affairs and held positions in Admissions, Development and Financial Assistance with Wilbraham & Monson Academy, a private secondary school. From June 1987 to May 1990, Mr. Wilson held technical, sales and marketing positions with AT&T Inc. Mr. Wilson is presently a director of several privately-held companies. Mr. Wilson holds two bachelor of arts degrees, in history and economics, from Brown University and a master of business administration degree from Harvard Business School. As a venture capitalist, Mr. Wilson’s focus on energy and environmental technologies, as well as his experience in building and managing startup businesses, provides a valuable perspective to our board.

Jamie McJunkin has served on our board of directors since April 2009. Since April 2005, Mr. McJunkin has been a Managing Member of Madrone Capital Partners, a venture capital firm. From August 2000 to March 2005, Mr. McJunkin was a technology growth capital investor at TA Associates, Inc., a private equity firm. Prior to August 2000, Mr. McJunkin worked as a Product Manager at Cisco Systems, Inc. and as a strategy consultant at the Boston Consulting Group. Mr. McJunkin is a director of the Smithsonian National Air and Space Museum and several privately-held companies. He also serves on the Advisory Board for Rockport Capital Partners and The Global Environment Fund. Mr. McJunkin earned a bachelor of arts degree with high honors from the Woodrow Wilson School of Public and International Affairs at Princeton University and a master of business administration degree from the Stanford University Graduate School of Business. Mr. McJunkin has valuable experience as an investor in building emerging growth companies. His investing and business background, as well as his knowledge of the solar industry, provide a valuable perspective for our board of directors.

Ben Kortlang has served as a member of our board of directors since May 2010. Since February 2008, Mr. Kortlang has been a Partner with Kleiner Perkins Caufield & Byers, a venture capital firm. From July 2000 to January 2008, Mr. Kortlang worked with Goldman, Sachs & Co., most recently co-heading Goldman’s Alternative Energy Investing business. From June 2005 to February 2008, Mr. Kortlang was a Vice President within Goldman’s Special Situations Group, before which he was a Vice President in Goldman’s investment banking group focusing on Industrials and Natural Resources. From January 1996 to August 1998, Mr. Kortlang was an Associate with A.T. Kearney, Inc. where he focused on strategic and operations consulting in the energy, manufacturing, packaging, transportation and communications industries. From February 1993 to July 1994, Mr. Kortlang was a Business Analyst at National Australia Bank in strategic planning and macroeconomic forecasting. Mr. Kortlang holds a bachelor of business degree in economics and finance from Royal Melbourne Institute of Technology, a bachelor of commerce and an honors degree in econometrics from University of Melbourne and a master of business administration degree from the University of Michigan. As a venture capitalist, Mr. Kortlang’s focus on growth-stage investing in alternative energy technologies provides a valuable industry perspective to our board. Mr. Kortlang’s investing and business experience also provide our board with a valuable perspective on building alternative energy businesses.

Neal Dempsey has served as a member of our board of directors since April 2010. Mr. Dempsey joined Bay Partners as a General Partner in 1989 and became a Managing Member in 2000. From December 1996 to April 2007, Mr. Dempsey served as a member of the board of directors of Brocade Communications Systems, Inc. Mr. Dempsey is presently a director of several privately-held companies and also serves as a director of FamiliesFirst, Inc., a Children and Family Services Agency. Mr. Dempsey holds a bachelor of arts degree from the University of Washington. As a venture capitalist, Mr. Dempsey has been involved with numerous technology companies in the communications, consumer services, energy services, enterprise software, software as a service, and wireless industries. Mr. Dempsey’s years of venture capital investing, his previous experience as a public company director and his insights in building successful businesses provide a valuable perspective to the board of directors.

Steve Gomo has served as a member of our board of directors since March 2011. From August 2002 until October 2004, Mr. Gomo served as Senior Vice President of Finance and Chief Financial Officer, and from October 2004 until December 2011, as Executive Vice President of Finance and Chief Financial Officer, of NetApp, Inc., a computer storage and data management company. From November 2000 to April 2002, Mr. Gomo served as Chief Financial Officer of Gemplus International S.A., a smart card provider, and from February 1998 until August 2000, Mr. Gomo served as Chief Financial Officer of Silicon Graphics, Inc., a high- performance computer and computer graphics company. Prior to February 1998, Mr. Gomo held various finance, financial management, manufacturing, and general management positions at Hewlett-Packard Company. Mr. Gomo holds a master of business administration degree from Santa Clara University and a bachelor of science degree in business administration from Oregon State University. Mr. Gomo currently serves on the board of SanDisk Corporation and NetSuite. Mr. Gomo brings to our board valuable financial and business expertise through his years of experience as a chief financial officer with publicly traded companies. Mr. Gomo provides an important role in leading the board’s activities on financial and auditing matters, as well as collaborating with our independent registered public accounting firm and management team in these areas.

C.S. Park has served on our board of directors since June 2011. Dr. Park served as President and Chief Executive Officer of Maxtor Corporation, a hard drive manufacturer, from February 1995 to August 1996, and from November 2004 to May 2006, prior to its acquisition by Seagate Technology LLC. Dr. Park served as Maxtor’s director from February 1994 and its Chairman of the Board from May 1998 to May 2006. Dr. Park served as Investment Partner and Senior Advisor at H&Q Asia Pacific, a private equity firm, from April 2004 until September 2004, and as Managing Director of the firm from November 2002 to March 2004. Prior to joining H&Q, Dr. Park served as President and Chief Executive Officer of Hynix Semiconductor Inc., a DRAM and FLASH memory manufacturer, from March 2000 until May 2002, and from June 2000 to May 2002 he also served as its Chairman. Dr. Park currently serves as a member of the board of directors of Ballard Power Systems, Inc., Brooks Automation, Inc., Computer Sciences Corporation, and Seagate Technology. Within the past five years, Dr. Park also served as a member of the board of directors of STATS ChipPAC Ltd. and Smart Modular Technologies, Inc. Dr. Park earned his a bachelor of arts degree from Yonsei University, Seoul, a master of business administration degree from the University of Chicago, and a doctorate degree in business administration from Nova Southeastern University. Dr. Park brings to our board of directors valuable experience in leadership, technology, manufacturing, sales and marketing as a former board chair and Chief Executive Officer of global businesses in the storage, semiconductor and electronics industry. Dr. Park with his international background also adds business and cultural diversity to our board of directors’ perspective.