Research Associate, Joint Institute for Lab. Astrophysics (JILA)(1974-1976)
J. Willard Gibbs Lecturer, Yale Univ. (1976-1978)
Assistant Professor (1978-81), Associate Professor (1981-1985), Professor (1985-1990), Watkins Distinguished Professor (1990—), Dept. of Chemistry , Univ. of Kansas
Director, Kansas Institute for Theoretical and Computational Science (1992-1996)
Director, Kansas Center for Advanced Scientific Computing (1996-2006)
國立交通大學物理研究所諮詢委員(1993-1996)
中央研究院原子及分子科學研究所諮詢委員(1996-2008)
國科會理論科學研究中心顧問委員會委員(2001-2006, 2012)
國立臺灣大學量子科學與工程研究中心主任(2008—)
專長
原子、分子及光學物理,化學物理
曾獲得之學術榮譽
J. Willard Gibbs Fellow (1976-1978), Yale University
Alfred P. Sloan Foundation Fellow (1980-1984)
JILA Visiting Fellow (1984-1985)
John Simon Guggenheim Fellow (1987-1988)
Fellow, American Physical Society (1988)
Olin Petefish Award in the Basic Sciences (1988)
Watkins Distinguished Professor, University of Kansas (1990—)