He is the current chairman of Keppel Corporation and Singapore Press Holdings.
Lee served in the Cabinet of Singapore from July 1991 to April 2009 in various portfolios, including Minister for Defence, Minister for Manpower, and Minister for Information, Communications and the Arts.
He was also a Member of Parliament (MP) for Jalan Besar GRC from 1984 to 2011, representing the governing People's Action Party (PAP).