 In early 2007, he disposed of all his interests in the company and tendered his resignation to join the DAP in 2008.Pua graduated from Keble College, Oxford with a degree in Philosophy, Politics and Economics under a scholarship from the MTC Foundation in 1994.Before that, he received Asean and Shaw Foundation scholarships to pursue his O- and A-Levels in Raffles Institution and Raffles Junior College, in Singapore.