香港民主民生協進會
To ran in the first direct elections of the Legislative Council of Hong Kong in 1991, where he was elected with Frederick Fung of another pro-democracy party Association for Democracy and People's Livelihood (ADPL) in Kowloon West. He was Hong Kong's youngest legislator at the age of 28 when first elected. He kept his record until 2016 when Nathan Law of Demosisto was elected at the age of 23.