Ang Yong Guan

Tan Jee Say, the party secretary-general dissolved SingFirst on 25 June 2020. At the 2020 general election, Ang joined as a candidate of the Progress Singapore Party and stood in the newly created single-member constituency of Marymount SMC but was defeated by People's Action Party Gan Siow Huang with 44.96% of valid votes.

In 2014, he joined SingFirst and contested in a five-member Tanjong Pagar GRC in 2015 general election and was defeated again by People's Action Party with only 22.29% of valid votes.

Ang joined the Singapore Democratic Party as a candidate and contested in a four-member Holland–Bukit Timah GRC at the 2011 general election and was defeated by People's Action Party where his team obtained 39.92% of valid votes. Ang left the Singapore Democratic Party after he was defeated by the People's Action Party in the 2011 general election.

Ang had served in the Singapore Armed Forces (SAF) for 23 years, and was Chief Psychiatrist of the Psychological Medicine Branch before he retiring from the SAF in 2003 and attained the rank Colonel.

In 1995, Ang was awarded the Public Service Medal (PBM) for his grassroots contributions as a community leader at Kembangan Constituency, helping then-Member of Parliament George Yeo for more than 15 years. He was also awarded the Public Administration Medal in 1996 for his military services.

Ang graduated from the National University of Singapore in 1979 and had his postgraduate training in psychiatry at the University of Edinburgh between 1984 and 1986.

Ang Yong Guan (Chinese: 洪永元; pinyin: Hóng Yǒngyuán; born 24 January 1955) is a Singaporean politician, psychiatrist and former colonel. He is the Progress Singapore Party Head of Training and Development since 2020.