National Sun Yat-Sen University  

     Department of Business Management  

Assoc. Prof.  1985 - 1991   
     President Office  Secretary  1991 - 1993
     Department of Business Management Professor   1991 - present 
Chinese Direct Academic Association
     Executive Member of Board of Directors 1993 - 1995 
     Chairman of Board of Directors 1995 - 1996 
University of Edinburgh   Visiting Scholar 1996 - 1997 
National Sun Yat-Sen University  
     Direct Selling Research Center(DSRC)    Founder & Director 1998 - present   
Direct Selling Association, Taiwan ROC  Code Administrator 1999 - present   
National Sun Yat-Sen University      
    Department of Business Management    Chairman 2001- 2003
    Chinese LifeStyle Research Center (CLRC)     Founder & Director 2003- present
Northwestern University    
    Kellogg School of Management Visiting Scholar 2004-2004 
Chinese Academy of Direct Selling Management Chairman 2005-present