John Metcalf has been a director since June 2004. Since November 2002, Mr. Metcalf has been a CFO Partner with Tatum Partners, a professional services firm providing financial and information technology leadership with over 500 CFO and CIO partners nationwide. Mr. Metcalf is also currently serving as CFO for Siltronic Corporation, a silicon wafer manufacturing company. From February 2001 to December 2001, Mr. Metcalf was vice president and chief financial officer of Zight Corporation, a venture funded micro-display Company. From January 1997 to December 2000, he was the vice president and chief financial officer of WaferTech, a semiconductor foundry that was a joint venture of TSMC, Altera, Analog Devices, and ISSI. Mr. Metcalf was the senior vice president of finance, chief financial officer and corporate secretary of Siltec Corporation, a silicon wafer manufacturer, from 1992 to 1997, and the vice president finance and chief financial officer of Oki Semiconductor from 1987 to 1991. Prior to his employment by Oki Semiconductor, Mr. Metcalf was employed for eleven years by Advanced Micro Devices in a number of finance managerial positions.
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