1. Cheng Yun-peng was a member of the Legislative Yuan from 2005 to 2008, and elected to the office between 2016 and 2024.

1. Cheng Yun-peng was a member of the Legislative Yuan from 2005 to 2008, and elected to the office between 2016 and 2024.
Cheng Yun-peng is the second son of the family; he has a brother, Yun-hung.
Cheng Yun-peng graduated from National Taiwan University with a degree in civil engineering.
Cheng Yun-peng briefly served as the Director of Promotion Department in the Democratic Progressive Party.
Cheng Yun-peng was elected as a Member of Legislative Yuan for Taipei 1st district in 2004.
Cheng Yun-peng lost his primary to Kao Chien-chih in the 2008 election after his advertisement scandal.
Cheng Yun-peng ran for a Legislative Yuan seat in Taoyuan 1st district in the 2016 election.
Cheng Yun-peng won a majority vote of 5,813, defeating five-term veteran Chen Ken-te.
In 2005, Cheng Yun-peng was photographed attending a movie with Tainan City Councilor Chen Hsieh-ling.
Cheng Yun-peng was sentenced to six months in jail and three years of deprivation of political rights for a campaign advertising libel suit.