National Chiao Tung University Professor 1999/07 till now
National Chiao Tung University Associate Professor 1991/08 至 1999/06
UMC CPU Department 486 Design Consultant 1995/7-1995/12
ITRI Speech Recognition Consultant 1996/3-1996/6
Mitac Speech Recognition Consultant 1994/7-1997/7
Ali Audio Technology Consultant 1995/5 - 1997/1
Formosoft Multimedia Technology Consultant 1998/2 to 2000/3
InterVideo Inc Multimedia Technology Consultant 2000/4 to 2006/1
Ulead Inc. General President 2005/9 to 2006/12
Videace Technology, Founding in 2007
