[4] He subsequently went on to complete a Master of Business Administration degree at Nanyang Technological University and a Master of Public Administration degree at the National University of Singapore's Lee Kuan Yew School of Public Policy.

[7] David made his political debut in the 2015 general election as part of a five-member PAP team contesting in Ang Mo Kio GRC and won.

[7][2] David was later appointed as Deputy Chair of the Government Parliamentary Committee for Culture, Community and Youth, and Education.

[4] In his maiden parliamentary speech, David suggested passing a basic English test and doing mandatory community work as additional criteria to become a Singapore citizen.

[8] During the 2020 Budget debate, David called for more subsidies for after-school care even after children graduate from pre-school.