08/2005 -02/2006

Visiting professor, Center for Biomedical Engineering, Massachusetts Institute of Technology, Cambridge, Boston, USA

02/2005 - 08/2005

Visiting professor, Dept. of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio, USA

01/2004 – 02/2005

Professor, Institute of Bioengineering, Dept. of Chemical Engineering and Bioengineering, Zhejiang University, Hangzhou, China

08/2000 – 12/2003

Associate Professor, Institute of Bioengineering, Dept. of Chemical Engineering and Bioengineering, Zhejiang University, Hangzhou, China

02/2000 - 08/2000

Senior Scientist, BIOTECNOL S.A.,Quinta do  Marquês, N° 4.11- 4.14, Edificio IBE, 2791-993 Oeiras, Portugal.

05/1999 – 02/2000

Associate Professor, Institute of Bioengineering, Dept. of Chemical Engineering and Bioengineering, Zhejiang University, Hangzhou, China

09/1998 – 04/1999

Research Associate, Dept. of Biochemistry, The Hong Kong                   University of Science and Technology, Clear Water Bay, Hong Kong

01/1997 – 09/1998

Research Assistant, Dept. of Biochemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong

01/1994 – 01/1997

Lecturer, Division of Biochemical Engineering, Dept. of Chemical Engineering, Zhejiang University, Hangzhou, China

06/1990 – 01/1994

Teaching Assistant, Lecturer (1992), Dept. of Biological Science & Technology, Zhejiang University, Hangzhou, China.