Board of Directors

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  • Trung T. Doan

    President, Chairman and Chief Executive Officer

    Trung T. Doan has served as Chairman of our board of directors and our Chief Executive Officer since January 2005. Prior to joining SemiLEDs, Mr. Doan served as Corporate Vice President of Applied Global Services (AGS) Product group at Applied Materials, Inc., and also served as President and Chief Executive Officer of Jusung Engineering, Inc., a major semiconductor/LCD equipment company in Korea. In addition, Mr. Doan held the Vice President position of Process Development at Micron Technology Inc. Mr. Doan currently serves on the Board of Directors of Advanced Energy Industries, a publicly held manufacturer of power conversion and control systems, and Dolsoft Corporation, a private held software company. Previously, Mr. Doan served as a director of Nu Tool Inc., a semiconductor technology company, and as a director of EMCO, a publicly held manufacturer of advanced flow control devices and systems. Mr. Doan holds a bachelors degree in nuclear engineering from the University of California, Santa Barbara, where he graduated with honors, and a masters of science degree in chemical engineering from the University of California, Santa Barbara.

    • Roger Lee


      Mr. Lee has more than 30 years of semiconductor experience and leadership. He has been the President and CEO of TF Semiconductor Solutions (TFSS) since August 2014. Prior to becoming the CEO of TFSS, Mr. Lee served as world-wide COO and Interim President & CEO of Telefunken Semiconductors located in Roseville, California and Heilbronn, Germany from May 2011 to July 2014. Mr. Lee began his career as an engineer for Texas Instruments. During his career, Mr. Lee has served on numerous boards and held a variety of executive and senior-level positions for several companies, including senior vice president of SMIC. Previously, he co-founded the SMIC-Toppan JV (TSES) where he served as its vice chairman of its Board of Directors, and had held several senior management positions, including senior fellow and head of flash memory at Micron Technology and was instrumental to the development of Micron’s flash memory program. More recently, he was COO and a board member of Founder Microelectronics, Inc. in Shenzhen, China where he was responsible for overall company operations, including fab manufacturing, sales and marketing, facilities, and R&D operations. Mr. Lee earned his Bachelor’s degree and Master’s degree in Electrical Engineering from Iowa State University.

      • Scott R. Simplot


        Scott R. Simplot has served as our director since March 2005. Mr. Simplot has been Chairman of the board of directors and a director of J.R. Simplot Company since May 2001 and August 1970, respectively. Mr. Simplot has served as Manager of JRS Management, LLC, since September 2004, and General Partner to SRS Family Limited Partnership since January 1997. Mr. Simplot also serves as a director to various companies such as Bar-U-, Inc., Block 65 and 66 Master Association, Inc., Cal Ida Chemical Company, Censa of California, Inc., Claremont Realty Co., Glen Dale Farms, Inc., Potato Storage, Inc., Storage Partners I, Ltd., SMP, Inc., Three Creek Ranch Co., Camas, Inc., and Lattice Energy, LLC. Mr. Simplot holds a bachelor of science degree in business from the University of Idaho and a masters in business administration from the University of Pennsylvania.

      • Dr. Edward Kuan Hsiung Hsieh


        Dr. Edward Kuan Hsiung Hsieh has served as a director since February 2012. Dr. Hsieh has been Chairman and Chief Executive Officer of each of VR Networks, Inc., a communications applications service provider company, and Eton Intelligent Technologies, Inc., a retailer of personal and notebook computers, since January 2000 and April 2000, respectively. From February 2007 to February 2010, Dr. Hsieh was Chief Executive Officer of Asia Pacific Telecom, a 3G mobile services operator, and Executive Director of Asia Pacific Online Services, an internet service provider, both based in Taiwan. Between 1996 and 2000, he was Chairman and Chief Executive Officer of Pacific Securities Ltd. Co., a securities brokerage and investment banking firm, and Chief Investment Executive for Pacific Group, a cable television and broadband operator. Previously, Dr. Hsieh worked in various engineering and research capacities at NASA Jet Propulsion Labs, AT&T Bell Labs, Hughes Research Labs and TRW as well as in finance and investment at Merrill Lynch. Dr. Hsieh holds a bachelor's degree and a master's degree in electrical engineering from the National Taiwan University and University of California, Santa Barbara, respectively, and a doctor of philosophy degree in electrical engineering and applied physics from Cornell University. Our board has determined that Dr. Hsieh should serve as a director based on his finance and engineering background and his experience serving in senior management and as a director of companies in the finance and technology industries.

      • Walter Michael Gough


        Walter Michael Gough has served as a director since April 12, 2016. Since 2005, Mr. Gough has led Gough and Associates, a firm that specializes in financial consulting for domestic and international companies. Mr. Gough is also a tenured faculty member in Accounting and Business at DeAnza College in Cupertino, California where he has taught since 1985. From June 2000 to June 2004, he was Chief Financial Officer and Financial Consultant at NuTool Inc., a semiconductor equipment manufacturer. From 1995 through 1999, he was a founding member and Chief Financial Officer of Invest In Yourself, LLC; an organization that provided consulting for professional sports franchises. Prior to teaching and consulting, Mr. Gough was a financial analyst and contracts manager at Watkins-Johnson Company, a high technology electronics firm. Before Watkins-Johnson, Mr. Gough worked for Kidder Peabody, an investment banking firm. Mr. Gough holds MBA and BA degrees (cum laude) from Santa Clara University, and a Masters in English from Notre Dame de Namur University.