Since 1/2002

Associate Professor, School of MAE, NTU, Singapore.

Since 3/2008

Guest Chair Professor (MinJiang Scholar), College of Materials, Xiamen University, China.

6-7/2007

Visiting Associate Professor, Dept of MSE, UIUC, USA.

12/1999 - 12/2001

Assistant Professor, School of MPE, NTU, Singapore.

1998 - 1999

Senior Research Fellow, Dept. of ME, The Hong Kong Polytechnic University, Hong Kong.

06/99 - 09/99

Visiting Scholar, Dept. of MSE, The Johns Hopkins University, Baltimore, MD, USA.

1995 - 1998

Research Fellow, Dept. MTM, Catholic University of Leuven, Belgium.

1994

Research Fellow, National Research Center for Technologies (VTT), Espoo, Finland.

1988 - 1994

Researcher, Lab. of Eng. Mater., Helsinki University of Technology, Otaniemi, Finland.

1986 - 1988

Project Coordinator, Div. of Techn. Sciences, Chinese Academy of Science, Beijing, China.

1982 - 1986

RA, Research Engineer, Inst. of Metal Research, Chinese Academy of Science, Shenyang, China.