Teo first stepped into the political arena in the 2001 general election, contesting as one of five members representing the Singapore Democratic Alliance (SDA) together with Yip Yew Weng, Christopher Neo, Foo Kok Wah and Abdul Rahim bin Osman in Tampines GRC against the team from the People's Action Party (PAP) represented by Mah Bow Tan, Yatiman bin Yusof, Ong Kian Min, Sin Boon Ann and Irene Ng.
•
In the 2006 general election, Teo contested under the SDA banner in the Jalan Besar GRC together with Fong Chin Leong, Cheo Chai Chen, Vincent Yeo and Muhamad Ali bin Aman against another team from the PAP composed of Lee Boon Yang, Yaacob Ibrahim, Heng Chee How, Lily Neo and Denise Phua.
Johann Sebastian Bach | San Sebastián | John Sebastian | San Sebastian | Sebastian Coe | Guy Sebastian | Sebastián Piñera | Sebastian Bach | Sebastian of Portugal | Sebastian Janikowski | Teo Antonio | Siege of San Sebastian | Saint Sebastian | Sebastian Telfair | Sebastian Junger | Sebastian Ziani de Ferranti | Sebastian Vettel | Sebastian Kawa | Sebastian Ingrosso | Sebastian Faulks | Sebastian Currier | San Sebastian International Film Festival | San Sebastián District, Cusco | San Sebastián District | Teo Otto | Sebastián Vizcaíno | Sebastian Thrun | Sebastian Steinberg | Sebastian Stan | Sebastian Neumann |