Tat Wai Tan is on the board of NSL Ltd., Southern Steel Bhd. (former Non-Independent Executive Director), Su Hock Co. Sdn. Bhd. and Starglow Investments Ltd. and Director at Hospital Lam Wah Ee, Vice President for Phor Tay High School, Vice President at Penang Chinese Girls High School and Vice President for Penang Home For The Infirm & Aged.
In the past Tat Wai Tan held the position of President at Lam Wah EE Hospital, Member of Malaysian Business Council, Chairman for Maybank Philippines, Inc., Member of APEC Business Advisory Council and Council Member at Wawasan Open University Sdn. Bhd.
Dr. Tan received a doctorate from Harvard University, a graduate degree from the University of Wisconsin and an undergraduate degree from Massachusetts Institute of Technology.