 Following the 2011 general election, Teo was appointed a Minister of State at the Ministry of Finance and the Ministry of Transport on 18 May 2011, succeeding Ms Lim Hwee Hua in her finance and transport portfolios.Teo was promoted to Senior Minister Of State at the Ministry of Finance and the Ministry of Transport on 1 September 2013.She served as the Senior Minister Of State at the Ministry of Finance until 30 September 2015.