Li Tan

Li Tan, with Li Li, is part of the husband-wife billionaire duo that leads Shenzhen Hepalink Pharmaceutical, a supplier of heparin sodium. She graduated from Sichuan University -- the same school as her husband -- in July 1987 with a bachelor's degree in chemistry.Li worked as a bureaucrat in Anhui Province from 1987 to 1992 before joining her husband at Chongqing Tongda, a heparin sodium supplier.