2021-Present: Adjunct Professor, College of Electrical Engineering and Computer Science, National Taiwan University.

2019-Present: Chair Professor, College of Management, Fu Jen Catholic University.

2002-Present: Director of the Board, Chinese ERP Association.

2011-2018: Director, Cloud Service Research Center, Fu Jen Catholic University.

2002-2018: Professor, Department of Information Management, Fu Jen Catholic University.

2001-2018: Director of the Board, International Association of Jesuit Business Schools.

2000-2003: Chairman, Academic Cooperation and Exchange Committee, Law and Management Faculty, Fu-Jen Catholic University.

2002-2003: Visiting Researcher, Mechanical and Industrial Engineering Department, University of Toronto, Canada.

1997-2001: Adjunct Professor, Rotman School of Management, University of Toronto, Canada.

1996-1997: Visiting Professor of Operations Management, Management Faculty, University of Toronto, Canada.

1995-1996: Member of the President Searching Committee, Fu Jen University.

1994-1999: Editor, Fu Jen Management Review, Management Faculty, Fu Jen University.

1994-1997: Member, Information System Evaluation Committee, Medium and Small Business Administration, Republic of China (Taiwan).

1994-1996: Adjunct Associate Professor, Information Management Department, National Taiwan University.

1993-1999: Editor, Journal of Information Management, C.S.I.M.

1989-2018: Director of the Board, Chinese Society for Information Management.

1989-1996: Chairman, Information Management Dept. Fu Jen University.

1984-2001: Associate Professor, Information Management Dept. Fu Jen University.

1981-1984: Lecturer, Information Management Dept. Fu Jen University.