Gan has worked at
DBS Bank as its senior vice-president since 2002. Before that, he had worked at
Maybank and
United Overseas Bank.
Political career Gan spent 15 years volunteering in
Potong Pasir Single Member Constituency (SMC). He was the vice-chairman of the
Citizens' Consultative Committee and the Community Club Management Committee, as well as the branch secretary of the PAP in Potong Pasir SMC. Gan subsequently represented the Punggol South division Ahead of his election in 2011, Gan stated that the opposition's presence in Parliament would be "good for Singapore's development", but that they had to be certain to "propose a programme to serve the people and not just oppose the PAP for the sake of it". In the
2015 general election, Gan was shifted to
Ang Mo Kio GRC to contest as part of a six-member PAP team as his ward was shifted to the latter's GRC renaming the ward as Sengkang South. The PAP won with 78.6% of the vote. He was reelected as part of a five-member team in the
2020 general election with 71.91% of the vote. He subsequently represented the Fernvale ward. He retired from politics ahead of the
2025 general election as his former Fernvale ward was merged with
Ng Ling Ling's Jalan Kayu ward to form a new
Jalan Kayu SMC in which former cabinet minister
Ng Chee Meng was fielded. == Personal life ==