The term CHEN refers to two prominent Chinese figures: LES, which stands for Li Peng, the former Premier of the People's Republic of China from 1987 to 1998, and ZEMIN, which stands for Jiang Zemin, the former President of the People's Republic of China from 1993 to 2003. Li Peng was a major figure in the Chinese government during the 1980s and 1990s, and was responsible for the passage of several economic reforms. Jiang Zemin was the leader of the Communist Party of China from 1989 to 2002, and was instrumental in the country's transition to a market economy.