Taiwanese banker and businessman Tsai Wan-Tsai has an estimated net worth of $7.9 billion as of February 2015 according to Forbes.

A former legislator, Tsai Wan Tsai is a graduate of National Taiwan University. He is currently married with four children. In 2013, his brothers, as well as his cousin T.Y. Tsai were able to make it to this year's list of world billionaires.

Tsai Wan Tsai is best recognized as the founder of Fubon Group, which he currently leads. Fubon Group is now considered as one of the largest financial services companies in Taiwan. The group holds interests in securities, banking and insurance.

Eventually, his sons, Richard and Daniel were able to expand the business significantly and currently, it serves more than 6 million clients. Towards the end of 2012, Tsai Wan Tsai penetrated into the mainland China market by acquiring 80% stake at First Sino Bank.