gu su (, born april 1, 1955 in jiangsu, china) is a chinese liberal political philosopher and was professor of philosophy and law at nanjing university, china. after graduating from nanjing university, he studied at duke university between 1983 and 1986. after then he taught at nanjing university as a faculty member. his main work is "essential ideas of liberalism", published in china and taiwan several times, introducing main ideas of liberalism and their implications to chinese political and social practice. he has edited a series of books and written many articles in the national press, newspapers, magazines and journals on political and legal issues. he was a liberal arts fellow at harvard law school, and a visiting scholar at both the london school of economics and the university of melbourne. he is member of editorial board of the journal "nanoethics".