Integrated Circuits Design, Reliability Design of Integrated Circuits, ESD Protection Design for Microelectronics Systems, Circuits and Systems for Biomedical Applications, Neuromodulation SoC for implantable Medical Applications

1993-1994 Post-Doctor Researcher, National Chiao Tung University, Taiwan.
1994-1997 Engineer/ Section Manager, Industrial Technology Research Institute(ITRI), Hsinchu, Taiwan.
1997-1999 Department Manager, VLSI Design Division, Industrial Technology Research Institute(ITRI), Hsinchu, Taiwan.
1999-2001 Assistant Professor, Dept. of Electronics Engineering, National Chiao Tung University
2001-2004 Associate Professor, Dept. of Electronics Engineering, National Chiao Tung University
2004-2009 Professor, Dept. of Electronics Engineering, National Chiao Tung University
2006-2008 Associate Director of the National Program on System-on-Chip(NSoC), Taiwan.
2008-2011 Chair Professor, I-Shou University, Taiwan
2008-2011 Vice President, I-Shou University, Taiwan
2009-2010 Convener of the National Program on System-on-Chip(NSoC), Taiwan.
2010-2011 Executive Director of the National Program on System-on-Chip(NSoC), Taiwan.
2011-2015 Executive Director of National Program on Nano Technology(NPNT), Taiwan.
2012-2015 Dean of the College of Photonics, National Chiao Tung University, Taiwan.
2010-present Distinguished Professor, National Chiao Tung University(NCTU), Taiwan.
2011-present Director, Biomedical Electronics Translational Research Center, NCTU, Taiwan.