Mr Chan is a Certified Public Accountant. He is a former President of the Hong Kong Institute of Certified Public Accountants.
Before joining the Government, Mr Chan held a number of public service positions including member of the Legislative Council and Chairman of Legal Aid Services Council.
Mr Chan served as Secretary for Development of the Hong Kong Special Administrative Region Government from July 2012 to January 2017. He was appointed Financial Secretary on 16 January, 2017.