| 現任 | SemiLEDs (2012-) (listed at Nasdaq) Independent Director, Audit Committee Chairman |
| 2009-Present | National Taiwan University, College of Management, Taipei, Taiwan Adjunct Professor (Professional Expert): |
| Global MBA program, courses on “Business Ethics,” “Social Entrepreneurship,” “Green Economy,” and “Green Energy.” |
| Information Management program, course on "Management" |
| 2001-2005 | University of Nations, Youth With a Mission (YWAM), Kona, Hawaii, USA (1999-2004) Member of the Advisory Board (YWAM is the largest Christian missions organization worldwide. ) |
| 2004-Present | Elder and Council President, Taipei International Church, Taipei, Taiwan |
| 2010-Present | Chairman of the Board of Supervisors, Chinese Business Ethics Education Association |
| 1980-1981 | Dept. of Electrical Engineering NASA Jet Propulsion Labs, Pasadena, CA, USA: Research Engineer, Semiconductor Materials using Molecular Beam Epitaxy Technology |
| 1983 | AT&T, Bell Labs, Murray Hills, NJ, USA: Technical Staff, Advanced Opto-electronics Materials and Devices |
| 1984-1987 | Hughes Research Labs, Malibu, CA, USA: Technical Staff and Section Head, Advanced Devices Section |
| 1987-1989 | TRW, El Segundo, CA, USA: Sr. Section Head, High-speed Devices and Integrated Circuits |
| 1989-1993 | Merrill Lynch International, Beverly Hills, CA, USA: Financial Consultant, International Capital Markets for Asia Pacific Region |
| 1994-1996 | United Investment Trust Ltd. Co., Taipei, Taiwan: President |
| 2007-2010 | Asia Pacific Telecom (2007–2010) Chief Executive Officer and Special Assistant to the Chairman, 3G Mobile (CDMA 2000 1X, EVDO) Telecom Operator |
| Recipient of Rockwell Scholarship Hughes Invention Award Who’s Who in Frontiers of Science and Technology PMP, Certificate in Project Management Professional Series 7 |
| Registered Representative of the US National Association of Securities Dealers Falcon Club of Merrill Lynch International |
