Su Tseng-chang

Su was born at Ministry of Health and Welfare Pingtung Hospital in Pingtung, in Taiwan Province on 28 July 1947. He studied at the National Taiwan University. During his college years, he was vice captain of the rugby team.[3] He was a practicing lawyer from 1973 to 1983 and became a defense lawyer in the Kaohsiung Incident trials.[4][5] In September 1986, Su and seventeen others founded the Democratic Progressive Party.[6][7]

He was previously the magistrate of Pingtung County (1989–1993) and magistrate of Taipei County (1997–2004).[6] His first election as the Taipei magistrate was aided by a split between the New Party and the Kuomintang. His subsequent reelection occurred by a wide margin despite the ability of the Pan-Blue Coalition to present a united candidate, Wang Chien-shien.[8][9] He was Secretary-General (Chief of Staff) to the Office of the President of the Republic of China under President Chen Shui-bian (2004–2005). After President Chen resigned as DPP chairman following the 2004 legislative elections, he was elected the 10th-term DPP chairman.[6] Following DPP losses in the 2005 municipal elections on December 3, Su announced that he would, pursuant to a pre-election promise, resign from the chairmanship.[10]

Su is married to Chan Hsiu-ling (詹秀齡) with whom he has three daughters, one of which is Su Chiao-hui.[11]

Su was announced as the new premier on January 19, 2006 and took his oath of office, along with his cabinet, on January 25, 2006. Soon after, Su promised to step down if the people's welfare (referring to crime and other civil problems) did not improve within six months.[12] Su faced calls for his resignation after the Rebar Chinese Bank run, but refused to leave his post at the time.[13][14]

Su was a contender for the DPP nomination in the 2008 presidential election.[15][16] He formally announced his candidacy on Feb. 25. In the DPP primary vote on May 6, 2007, Su received 46,994 votes, coming in second to former Premier Frank Hsieh. Conceding defeat in the primary, Su announced that he had withdrawn from the race.[17]

On May 12, 2007, Su submitted his letter of resignation to President Chen Shui-bian, ending his tenure on May 21.[18] With the resignation of Su and with ten months left in Chen's presidency, that would mean Chen's eight years as President will have seen at least six Premiers (with Chang Chun-Hsiung serving two separate tenures).[19] Su also stated that he previously submitted resignations numerous times over his sixteen-month tenure, but all were rejected by President Chen.[20]

Su ran for Vice President alongside Frank Hsieh, who was the DPP Nomination. Together, Su and Hsieh ran against Ma and Siew. On March 22, they lost in a landslide to Ma and Siew's 7,659,014 (58.45%) votes with their 5,444,949 (41.55%) votes.

Party		Candidate		Votes	Percentage
		President	Vice president
	Kuomintang	Ma Ying-Jeou	Vincent Siew	7,659,014	58.45%
	Democratic Progressive Party	Frank Hsieh	Su Tseng-chang	5,444,949	41.55%
Total				13,103,963	100.00%

Although Su had been considered a strong candidate to helm the newly created New Taipei City, because he had previously served the area as Taipei County Magistrate, he instead ran for the mayoralty of Taipei City.[21][22] Su vowed that should he win, he would serve out the entire term (through 2014) effectively ending any talks of a presidential run in 2012.[23] Su eventually lost the race to the incumbent mayor Hau Lung-pin.

2010 Taipei City Mayoral Election Result
Party		#	Candidate	Votes	Percentage
	Independent	1	Wu Yen-cheng (吳炎成)	1,832	0.13%
	Kuomintang	2	Hau Lung-pin	797,865	55.65%
	Independent	3	Helen Hsiao (蕭淑華)	2,238	0.16%
	Independent	4	Francis Wu (吳武明)	3,672	0.26%
	Democratic Progressive Party	5	Su Tseng-chang	628,129	43.81%
Total				1,433,736	100.00%
Voter turnout				70.65%

Su declared his candidacy for the 2012 presidential candidacy, but lost a DPP party primary held in April 2011 to Tsai Ing-wen and Hsu Hsin-liang, by a margin of 1.35 percent.[24] He was subsequently elected DPP chairman in May 2012,[7] and was succeeded by Tsai in 2014, after dropping out of the chairmanship election in the wake of the Sunflower Student Movement.[25][26]

Su was appointed to the premiership on January 14, 2019 by President Tsai Ing-wen.[28] He succeeded William Lai, who had resigned in response to the Democratic Progressive Party's poor performance in the 2018 Taiwanese local elections. Aged 71, when he returned to the premiership, Su became one of the oldest to hold the office. Soon after Su assumed office, approval ratings for Tsai's presidential administration rose.[29] Su and his second cabinet resigned en masse following the 2020 Taiwanese legislative election, as stipulated in the constitution, but Tsai, who won reelection to the presidency, asked him to remain in his post.[30]

• Politics of the Republic of China

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