| 2005-2007 |
Chairman, Kuomintang |
| 1998-2006 |
Mayor, Taipei City |
| 1998 |
Associate Professor of Law, National Chengchi University |
| 1996-1997 |
Minister without Portfolio |
| 1993-1996 |
Minister of Justice |
| 1991-1993 |
Deputy Minister of Mainland Affairs Council |
| 1988-1991 |
Minister of the Research, Development and Evaluation Commission |
| 1981-1988 |
Deputy Director-General, First Bureau, Office of the President |
| 1981 |
Associate Lawyer, Cole and Deits (New York) |
| 1981 |
Research Consultant, University of Maryland School of Law |
| 1980-1981 |
Legal Consultant, First National Bank of Boston |