Experience 1982-1984 Research Scientist in Physics, University of Houston1984-1987 Assistant Professor of Physics, University of Alabama in Huntsville1987-1988 Professor of Physics, University of Alabama in Huntsville1988-1994 Professor of Applied Physics, Columbia University1989-1994 Visiting Chair Professor, National Tsing Hua University1994-1996 Researcher, Materials Science Center, National Tsing Hua University1995-1996 Director, Materials Science Center, National Tsing Hua University1995-1998 Chairman, Research and Development Council, National Tsing Hua University1996-2002 Professor, National Tsing Hua University2000-2002 Deputy Minister, The ROC National Science Council2002-2004/5 Director, Institute of Physics, Academia Sinica2002-2004/5 Director General, National nanoscience / Nanotechnology Program2004/5-2006/1 Minister, The ROC National Science Council2006-2010 General Director, National Nanoscience Program2006/4-2012/1 Director, Institute of Physics, Academia Sinica2012/1-2016/1 Present, National Dong Hwa University2002-present Distinguished Research Fellow