Chan graduated from the City University of Hong Kong with a Bachelor of Social Work. He later obtained a master's degree from the Chinese University of Hong Kong. He has been a registered social worker and participated in many public services. He has also been appointed to many public positions including the member of the Commission on Youth (2003–2009) and Committee on the Promotion of Civic Education, secretary general of the Hong Kong Celebration Association, vice-president of the Federation of New Territories Youth, member of the North District Fight Crime Committee and member of the Hong Kong Professionals and Senior Executives Association. He was also the Hong Kong member of the 10th All-China Youth Federation, a youth organisation led by the Communist Party of China.[2] In 2008, he was appointed to the North District Council.
In February 2014, he was appointed to the Lantau Development Advisory Committee to roll out a series of proposals to improve its infrastructure before the HK$83 billion Hong Kong-Zhuhai-Macau bridge opens in 2016. He cited an instruction from National People's Congress chairman Zhang Dejiang to the Hong Kong and Macau Affairs Office of the State Council to work with the Hong Kong government and "make plans and assess the city's tourism capacity".[4]
In December 2022, Chan tested positive for COVID-19.[5][6]
In January 2023, Chan supported the government's efforts to enact Article 23, stating "Hong Kong should not take a chance and allow foreign proxies to enter the city."[7]