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Director Biographies

Charles M. Swoboda
Mr. Swoboda has served as the Company’s Chief Executive Officer since June 2001, as a member of the Board of Directors since October 2000 and as chairman since April 2005. He was Chief Operating Officer of the Company from 1997 to June 2001 and Vice President for Operations from 1997 to 1999. Prior to his appointment as Vice President for Operations, Mr. Swoboda served as Operations Manager from 1996 to 1997, as General Manager of the Company’s former subsidiary, Real Color Displays, Incorporated, from 1994 to 1996 and as LED Product Manager from 1993 to 1994. He was previously employed by Hewlett-Packard Company.

John W. Palmour, Ph.D
Dr. Palmour, one of the Company’s founders, has been a member of the Board of Directors since October 1995 and has served as the Company’s Director of Advanced Devices since 1995 and as an Executive Vice President since August 2002. As Executive Vice President for Advanced Devices, Dr. Palmour is responsible for all aspects of the Company's wide bandgap RF, microwave and power switching device businesses and also manages the Company's contract research programs. He previously served on the Board of Directors from 1992 to 1993.

Dolph W. von Arx
Mr. von Arx has been a member of the Board of Directors since October 1991 and is the former Chairman, President and Chief Executive Officer of Planters Lifesavers Company, an affiliate of RJR Nabisco, Inc. Since his retirement from Planters Lifesavers Company in 1991, Mr. von Arx has served as non-executive Chairman of Morrison Restaurants Inc., a publicly held family dining business, from 1996 to 1998, and is currently a director of Northern Trust of Florida Corp., Hospital Partners of America, Inc. and Aqua-Scent, Inc. Mr. von Arx is Chairman of the Governance and Nominations Committee.

James E. Dykes
Mr. Dykes has served on the Board of Directors since January 1992. He was formerly President and Chief Executive Officer of Signetics Company, a semiconductor manufacturer and wholly-owned subsidiary of North American Philips Corporation, from 1989 until his retirement in 1993, and from 1987 to 1988 served as the first President and Chief Executive Officer of Taiwan Semiconductor Manufacturing Company Ltd., a semiconductor foundry.

Clyde R. Hosein
Mr. Hosein has been a member of the Board of Directors since December 2005. Since 2003, he has served as Vice President and CFO of Integrated Device Technology, Inc. He previously served as Senior Vice President, Finance and Administration, and CFO of Advanced Interconnect Technologies (AIT), a semiconductor assembly and test company, from 2001 to 2003. He has also held senior-level financial positions, including the role of CFO at Candescent Technologies, a developer of flat-panel display technology. Early in his career he spent 14 years in financial and engineering roles at IBM Corporation.

Frank Plastina
Mr. Plastina joined the Board of Directors in December 2007. Since February 2006, he has served as President and Chief Executive Officer, and as a board member, of Tekelec, a publicly-traded provider of telecommunications network systems and software applications. Before joining Tekelec, Mr. Plastina served as Executive in Residence at Warburg Pincus LLC, a private equity firm, where he was responsible for evaluating potential investments and providing executive support to portfolio companies. From 2003 to 2005, he held various executive positions with Proxim, a provider of Wi-Fi and broadband wireless access products, including Executive Chairman, President and CEO. From 1987 until 2002, Mr. Plastina served in a series of management and executive positions with Nortel, a multi-national telecommunications equipment provider. Mr. Plastina holds a degree in commerce from the University of Toronto and is a Chartered Accountant in good standing with the Canadian Institute of Chartered Accountants. Mr. Plastina also serves on the boards of Tekelec, ATIS (Alliance for Telecommunications Industry Solutions), PetroLiance and the North Carolina Technology Association, and has previously served on the boards of several other local organizations, including Duke Heart Center, Duke Fuqua School of Business, Wake County Boys and Girls Club and The North Carolina Symphony.

Harvey A. Wagner
Mr. Wagner has served on the Board of Directors since February 2004. He is currently Managing Principal of the H. A. Wagner Group, LLC, an investment and consulting firm based in White Plains, New York. He previously served as President and Chief Executive Officer of Quovadx, Inc., a global software and services company, from October 2004 to July 2007, as its Acting President and Chief Executive Officer from May 2004 to October 2004, and as a member of its Board of Directors from April 2004 to July 2007.  Earlier in his career he spent 18 years in Silicon Valley where he held senior financial positions with GTE Corporation, Fairchild and American Microsystems. From 1989 to 1994 he served as CFO at Computervision Corporation and from 1994-1998 at Scientific-Atlanta, Inc.  From 1998 until joining Quovadx in 2004, he held CFO positions with Premiere Technologies, Inc., PaySys International, Inc., Optio Software, Inc. and Mirant Corporation.  He is currently also a director of FormFactor, Inc. Mr. Wagner is Chairman of the Audit Committee.

Thomas H. Werner
Mr. Werner has been a member of the Board of Directors since March 2006. He has served as Chief Executive Officer for SunPower Corporation, a publicly traded manufacturer of high-efficiency solar cells and solar panels, since June 2003, and is also a member of its Board of Directors. Prior to SunPower, he served as Chief Executive Officer of Silicon Light Machines Corporation, an optical solutions subsidiary of Cypress Semiconductor Corporation, from July 2001 to June 2003 and now serves on its Board of Directors. Earlier, Mr. Werner was Vice President and General Manager of the Business Connectivity Group of 3Com Corporation, a network solutions company. Mr. Werner is Chairman of the Compensation Committee.

Director Emeritus

Robert J. Potter, Ph.D
Dr. Potter served on the Board of Directors from April 2001 to November 2007. Since completing his term of service on the Company's Board of Directors, Dr. Potter has been employed to serve as a Director Emeritus for a term of one year. In addition, he is currently President and Chief Executive Officer of R. J. Potter Company, a business consulting firm based in Irving, Texas. Prior to establishing R. J. Potter Company, Dr. Potter was President and Chief Executive Officer of Datapoint Corporation, a producer of local area networking and video conferencing products, from 1987 to 1990 and held senior management positions in other telecommunications equipment and information technology businesses, including Northern Telecom Ltd. where he served as Group Vice President responsible for the customer premises telecommunications equipment business. He is currently a director of Molex Corporation and Zebra Technologies Corporation.