Education
Tam has a Bachelor of Science degree in engineering from the University of Hong Kong.
Tam has a Bachelor of Science degree in engineering from the University of Hong Kong.
He is one of the undersecretaries appointed by the Government of Hong Kong in 2008. He has an educational background in engineering, and has worked in various capacities in the civil service since 1987. He was appointed as the Secretary for Constitutional and Mainland Affairs in 2011.
He joined the Administrative Service in September 1987, and rose to the rank of Administrative Officer Staff Grade Bachelor in April 2007.
Tam has served in various bureaus and departments including the Central Policy Unit, the former Constitutional Affairs Bureau, the Office of the Financial Secretary, the Chief Executive" General’ s Office, the Hong Kong Economic and Trade Office in Geneva, Information Services Department and the Home Affairs Bureau. In 2008 he was offered the opportunity to become an undersecretary for the constitutional and mainland affairs
He is known for renouncing his British citizenship under the 2008 Political Appointments System.