Board of Directors

Mr. Sharp has served as a member of the board since our inception in 1988 and was elected non-executive chairman of the board in May 2006. Mr. Sharp has served as chairman of the board of directors of TriQuint Semiconductor, Inc., a manufacturer of electronic components for the communications industry, since 1992. He joined TriQuint Semiconductor, Inc. as president, chief executive officer and director in September 1991. Mr. Sharp served as president and chief executive officer of TriQuint Semiconductor, Inc. until July 2002. Prior to TriQuint Semiconductor, Inc., Mr. Sharp was associated with various venture capital and startup semiconductor firms. He helped start Crystal Semiconductor (now Cirrus Logic, Inc.), Gazelle Microcircuits, Inc. (now TriQuint), Megatest Corporation (now Teradyne, Inc.) and Volterra Semiconductor Corporation. He also founded Silicon Architects (now Synopsys, Inc.). Mr. Sharp also serves on the boards of several private companies and charitable organizations.

Mr. Balakrishnan joined Power Integrations in 1989, and served the company in key engineering, marketing and business management roles before becoming president and COO in April 2001. He was named CEO and appointed to the company's board of directors in January 2002. He is the chief inventor of the company's innovative TOPSwitch® and TinySwitch® technologies and holds more than 100 patents. Mr. Balakrishnan has more than 30 years of engineering, marketing and management experience, including product-line management responsibility in the networking and advanced peripherals group at National Semiconductor Corporation. He holds a M.S.E.E. from the University of California, Los Angeles, and a B.S.E.E. from Bangalore University, India.

Mr. Bickell has served as a member of the board of directors since April 1999. Mr. Bickell retired in 1996 after more than 32 years with Hewlett Packard, where he served as a corporate senior vice president and managing director of geographic operations since 1992. Mr. Bickell also serves on the board of directors of the Peking University Educational Foundation (USA) and is a member of the Menlo College board of trustees.

Nicholas E. Brathwaite has served as a member of the board of directors since January 2000. Mr. Brathwaite is currently a partner with Bigwood Capital LLC, an investment firm. From 2000 to 2007 he served as chief technology officer of Flextronics International Ltd., an electronics company. In 1995 Flextronics International Ltd. acquired nChip, Inc., a multi-chip module company, where Mr. Brathwaite held the position of vice president and general manager of operations from 1992 to 1996. As a founding member of nChip, Inc., Mr. Brathwaite was responsible for all manufacturing and operational activities including wafer fabrication, wafer test, and module assembly. Before joining nChip, Inc., Mr. Brathwaite spent six years with Intel Corporation, a microprocessor company, in various engineering management positions in technology development and manufacturing. He is also a member of the board of directors of Photon Dynamics, Inc., a yield management solutions company for the flat panel display market.

Mr. Brown has served as member of the board of directors since July 1999. Mr. Brown has been retired since May 1, 1999. From 1985 to May 1999, Mr. Brown served as senior vice president of worldwide sales and support for Xilinx, Inc., a designer and developer of complete programmable logic solutions for use by electronic equipment manufacturers.

Dr. Fiebiger joined the board of directors in March 2006. Dr. Fiebiger was president and COO of VLSI Technology, an ASIC semiconductor company, from 1988 to 1993. Prior to joining VLSI, Dr. Fiebiger was president and CEO of United Technologies' Mostek semiconductor division and, later, Thomson/Mostek. Previously, he spent eight years with Motorola in a variety of positions including senior corporate vice president and assistant general manager of the company's worldwide semiconductor sector. Since 1994 he has served in a variety of executive and consulting roles within the semiconductor industry. Among other positions, he has served as president and CEO of Lovoltech and Gatefield Corporation, both fabless semiconductor companies, and as chairman and managing director of Thunderbird Technologies, a semiconductor technology licensing company. Dr. Fiebiger also serves on the boards of QLogic Corporation, Actel Corporation and Mentor Graphics Corporation.

Mr. Iyer became a member of the board of directors in February 2004. From October 1998 to June 2003, Mr. Iyer served as senior vice president and chief financial officer for Conexant Systems, Inc., a worldwide leader in semiconductor systems solutions for communications applications. From 1997 to 1998, Mr. Iyer served as senior vice president and chief financial officer for VLSI Technology, Inc. Mr. Iyer is currently a director of Conexant Systems, Inc., Invitrogen Corporation, Qlogic Corporation and Skyworks Solutions, Inc.

Mr. Kvamme has served as a member of the board of directors since September 1989. Mr. Kvamme has been a general partner of Kleiner Perkins Caufield & Byers, a venture capital company, since 1984, and now is a partner emeritus. Mr. Kvamme also serves on the board of directors of Harmonic Inc., a broadband optical networking and digital video systems company, National Semiconductor, a semiconductor company, Photon Dynamics Inc., a yield management solutions company for the flat panel display market, and two private companies.