Between 1976 and 1987, Li worked as a researcher assisting scholars at institutes in
Wuhan, Hubei and France, where he was a visiting scholar at
Paris-Sud University in the early 1980s. Li moved to Singapore, and became a naturalised citizen in 2018. In April 2021,
Forbes estimated Li's net worth to be US$21.5 billion, making him the richest man in Singapore. == References ==