AXT Inc.

LEONARD J. LEBLANC has been a member of our board of directors since July 2000. Mr. LeBlanc was the Executive Vice President and Chief Financial Officer of Vantive Corporation, a customer relationship management software and solution company, from August 1998 to January 2000. From March 1996 to July 1997, Mr. LeBlanc was the Executive Vice President of Finance and Administration and Chief Financial Officer at Infoseek Corporation, an Internet search and navigation company. From September 1993 to December 1994, Mr. LeBlanc served as Senior Vice President, Finance and Administration of GTECH Corporation, a manufacturer of lottery equipment and systems. From May 1987 to December 1992, Mr. LeBlanc served as Executive Vice President, Finance and Administration and Chief Financial Officer of Cadence Design Systems, Inc., an electronic design automation software company. Mr. LeBlanc received his B.S. and M.S. from the College of Holy Cross, and his master degree in finance from George Washington University.

Dr. Philip C.S. Yin served as a member of our Board of Directors throughout fiscal 2008. Dr. Yin joined AXT as our Chief Executive Officer in March 2005 and was appointed to the Board of Directors on April 22, 2005. In October 2007 Dr. Yin became the chairman of the Board of Directors. On March 17, 2009, Dr. Yin resigned as our Chief Executive Officer, as Chairman of the Board of Directors and as a director. From 2003 to February 2005, Dr. Yin served as general manager for North America of AIXTRON Inc., the world's leading manufacturer of MOCVD equipment used in the compound semiconductor industry. From 2002 to 2003, Dr. Yin was sole proprietor of Philip S. Yin Consulting, a consultant of semiconductor materials in areas of epitaxial deposition, silicon wafers and strategic business development. From 1999 to 2002, Dr. Yin was president of ATMI Epitaxial Services. Prior to that, Dr. Yin held positions as senior vice president, sales and marketing of Crysteco, and director of sales for Mitsubishi Silicon America. Dr. Yin also held various positions with Monsanto Electronics Materials and IBM Thomas J. Watson Research Center. Dr. Yin has a B.S. degree in physics from Villanova University and an M.S. and Ph.D. in material science from Brooklyn Polytechnic University. He is a member of the Electrochemical Society and the American Association for Crystal Growth.

Mr. Zhang co-founded AXT in 1986. He is our president, joint venture operations, and has served as senior vice president, production from January 1994 until August 1999, as president of the substrate division from August 1999 to 2003 and as senior vice president of production since 2003. From 1987 to 1993, Mr. Zhang served as our senior production manager. Mr. Zhang studied mechanical engineering at Communication University, Beijing, China.

Dr. Badawi joined AXT in July 2004 and was promoted to vice president of applications engineering in March 2005. Prior to AXT, Dr. Badawi was with AmberWave Systems Corporation, NH where he served for two years as vice president of engineering. Since 1981, Dr. Badawi has held management positions at ITT, Grumman Aerospace, Hughes Aircraft, Anadigics Corp. and ATMI. He has over 25 years of experience in the field of GaAs, 6 patents and over 30 technical papers in reputable journals. Dr. Badawi earned his BEE degree in 1969 and his Ph.D. degree in 1976 from the University of Alexandria, Egypt, and, the University of Kent, UK, respectively. Dr. Badawi is a Senior Member of the Institute of Electrical and Electronics Engineers (IEEE) and a Member of the Electrochemical Society. He is also a member of the Technical Program Committee of the Compound Semiconductor MANTECH Conference, and a member of the Compound Semiconductor Materials Committee of the SEMI Standards Program.

Minsheng Lin joined AXT as chief operating officer in July 2005. From 1998 to June 2005, Mr. Lin was at Wafer Works Inc./Helitek Company Ltd., where he held executive level positions in operations and sales and marketing, and was responsible for starting up the company's Taiwan operation and ramping up manufacturing and sales to mass production levels. From 1994 to 1998, Mr. Lin was director of facilities and quality assurance at MEMC Electronic Materials, Inc. In this position, Mr. Lin was involved in designing, constructing and commencing the company's Taiwan facilities on time and within budget. He set up a new quality team through local hiring and intensive training and established a total quality management system. Since 1973, Lin held other senior level operations, quality and engineering positions with MEMC Electronic Materials, Inc., National Semiconductor Corporation (Malaysia) and Nippon Electric Company. Mr. Lin received his undergraduate and masters degrees in electronics engineering from the University of Tokyo.

Mr. Cheung joined AXT as Vice President, Corporate Controller in May 2004 and was promoted that same month to Chief Financial Officer. From February 2001 to April 2004, Mr. Cheung was corporate controller of interWAVE Communications International Ltd. (now Alvarion, Ltd.), a publicly traded manufacturer of wireless voice and data communications systems. From 2000 to 2001, Mr. Cheung was senior finance manager of Yahoo! Inc., a global Internet products and services provider. Mr. Cheung spent more than eight years, from 1991 to 1999, in public accounting with KPMG and Deloitte & Touche, and served as a senior manager in Deloitte’s San Francisco office from 1997 to 1999. From 1999 to 2000, Mr. Cheung served on the board of directors of the Hong Kong Association of Northern California. Mr. Cheung is a California certified public accountant, and a member of the AICPA, California Society of CPAs and the Financial Executives International. In May 2005, Mr. Cheung was certified as director of corporate governance by UCLA’s Anderson School of Management. Mr. Cheung has a B.A. degree in Economics/Business from the University of California, Los Angeles.

Mr. Cerilli joined AXT as Vice President of Global Sales and Marketing in August 2005. Prior to joining AXT, from January 2004 to July 2005, Mr. Cerilli was head of sales and marketing for AIXTRON-AG in Aachen, Germany, where he was part of their Silicon Semiconductor Technologies team responsible for equipment sales in the USA, Europe and SE Asia. From 1976 until 2004, Mr. Cerilli held various executive level and management positions in wafer fab operations and capital equipment sales and marketing for National Semiconductor, Motorola, Intel, GTE Microcircuits, and Speedfam-IPEC. During this time, he also worked as vice president of sales and marketing for two leading semiconductor market research firms, Cahners-InStat and Semico Research Corporation. Mr. Cerilli has a B.A. degree from Marist College in Poughkeepsie, New York, and an M.S. degree in Organizational Management from the University of Phoenix in Arizona.

Mr. Ochrym joined AXT as Vice President, Business Development in June 2005. Prior to AXT from 2003 to May 2005, Mr. Ochrym was national sales manager at Aixtron, Inc., where he was responsible for North American sales and marketing functions. From 1973 to 2003, Mr. Ochrym held various positions in sales and marketing, business development and product management at Uniroyal Optoelectronics, Northrop Grumman and Rhone-Poulenc, and had extensive involvement with rare earths and gallium businesses. Mr. Ochrym has a B.A. degree in Biology from Le Moyne College in Syracuse, New York.