Joan graduated from the Faculty of Economics at St John's University, Shanghai, China in 1949. She co-founded the Company in 1951, and then served as Director from 1961 to 1979. Thereafter, she was appointed Vice President Director in 1979, Commissioner in 1992, and Vice President Commissioner in 1997. Since 2007, Joan has held the role of President Commissioner of the Company in which she actively oversees new business development and general operations.
Currently, Joan is also on the Board of Commissioners or Directors of several companies in the Lautan Luas Group.