T .Y. Tsai is a Taiwanese billionaire who is the chairman of the board of directors of the food and beverage giant, Want Want China Holdings. The company is a massive and iconic producer of snack foods and drinks, famous for its rice crackers and flavored milk drinks, which are ubiquitous in China and other parts of Asia. The company was founded by the Taiwanese tycoon Tsai Eng-meng, who was a pioneer in investing in the mainland China market.

While Tsai Eng-meng is the founder and overall leader of the group, T.Y. Tsai has been a key executive in the company for many years, serving as the chairman of the board. He has been a key figure in the company's long-term strategy and its successful expansion. His wealth is derived from his substantial stake in the highly successful and publicly traded consumer brand.