Lee Ying-yuan (Chinese: 李應元; pinyin: Lǐ Yìngyuán; Wade–Giles: Li3 Ying4-yüen2; Pe̍h-ōe-jī: Lí Èng-goân; 16 March 1953 – 11 November 2021) was a Taiwanese politician. He was elected to the Legislative Yuan in 1995 and stepped down in 2000. In 2005, Lee was appointed the Minister of Council of Labor Affairs, which he led until 2007. Lee has also served as Secretary-General of the Executive Yuan and the Democratic Progressive Party, and was reelected to the Legislative Yuan in 2012. He was appointed the Minister of Environmental Protection Administration (EPA) in 2016. He left the EPA in 2018, and subsequently served as Taiwan's representative to Thailand from 2020 to 2021.

Ma Ying-jeou is a Taiwanese politician who served as the 6th president of the Republic of China from 2008 to 2016. Previously, he served as the 14th justice minister from 1993 to 1996 and mayor of Taipei from 1998 to 2006. He served as chairman of the Kuomintang (KMT) from 2005 to 2007 and from 2009 to 2014.