He is a former president of the National Tsing Hua University (1987–1993) and Soochow University (2004–2008) and a former Premier of the Republic of China (2008–2009).
Dia adalah mantan presiden dari National Tsing Hua University (1987–1993) dan Soochow University (2004–2008) dan mantan Perdana Menteri Republik Tiongkok (2008–2009).