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|Member of the Kuomintang's Central Standing Committee|
|Born||3 February 1970 (age 47)|
|Nationality||Republic of China|
|Relations||Lien Chan (father)
Fang Yu (mother)
Lien Chen-tung (grandfather)
Lian Heng (great-grandfather)
|Alma mater||Fu Jen Catholic University
Sean Lien or Lien Sheng-wen (simplified Chinese: 连胜文; traditional Chinese: 連勝文; pinyin: Lián Shèngwén; Pe̍h-ōe-jī: Liân Sèng-bûn; Taiwanese: Liân sìng-bûn; born February 4, 1970) is a member of the Central Standing Committee of the Kuomintang of the Republic of China in Taiwan. He is co-founder of Evenstar Capital and he previously served as chairman of the Taipei Smart Card Corporation, the company which operates EasyCard.
Sean Lien is the eldest son of Lien Fang Yu and Lien Chan, who served as the Chairman of the Kuomintang party and was the Vice President of Taiwan. He is the grandson of Lien Chen-tung, and the great grandson of Lian Heng. He has a brother and two sisters. He is married to Patty Tsai.
Lien served in a senior management position at GE's Asia Pacific Capital Fund II and as a vice president with an Investment Banking Group in Taipei. He is co-founder and senior advisor to the Hong Kong investment company Evenstar Capital.
In 2008, Taipei City Mayor Hau Lung-pin appointed Lien as chairman of Taipei Smart Card Corporation. Lien resigned as Chairman of EasyCard Corporation at the end of 2009, citing health reasons. Assessments of his performance during this brief tenure differ. 
During the municipal election on 26 November 2010, Sean Lien was shot while stumping for Chen Hung-yuan, a New Taipei City Council candidate in the Yonghe District of New Taipei City. Lien's wound was minor and he recovered quickly. Lien disagrees with Taiwan judiciary's conclusion that he was shot by mistake.
On February 24, 2014, Lien announced his campaign for Taipei City mayor election; on April 19, 2014, he won the KMT mayoral primary. On November 29, Lien lost the race to independent candidate Ko Wen-je.
|2014 Taipei City Mayoralty Election Result|
|1||Chen Ju-pin (陳汝斌)||Self Help Party||1,624||0.11%|
|2||Chao Yen-ching (趙衍慶)||Independent||15,898||1.06%|
|3||Lee Hong-hsin (李宏信)||Independent||2,621||0.18%|
|4||Yong C. Chen (陳永昌)||Independent||1,908||0.13%|
|Wikimedia Commons has media related to Sean Lien.|
- Chang, Yun-ping (30 December 2003). "DPP targets the Lien family's wealth". Taipei Times. Retrieved 13 November 2014.
- Ku, Er-teh (6 February 2004). "The book that built the Lien family". Taipei Times. Retrieved 13 November 2014.
- Li, Lauly (12 July 2014). "Lien Hui-hsin's prosecution deferred for one year". China Post. Retrieved 13 November 2014.
- Yiu, Cody (3 June 2004). "DPP steps up pressure on Lien to explain his wealth". Taipei Times. Retrieved 13 November 2014.
- Shih, Hsiu-chuan; Loa, Lok-sin (13 November 2014). "Sean Lien’s wife giving up Canadian citizenship". Taipei Times. Retrieved 13 November 2014.
- Wei, Katherine. "Sean Lien embarks on a sacred quest to serve all in his beloved Taipei City". The China Post. Retrieved 11 November 2015.
- Chang, Rich (18 June 2014). "Sean Lien visited Playboy Mansion, ex-Ma lawyer says". Taipei Times. Retrieved 13 November 2014.
- Mo, Yan-chih (9 April 2009). "DPP pans EasyCard boss for taking study leave in US". Taipei Times. Retrieved 13 November 2014.
- Hung, Joe (10 November 2014). "Taipei mayor race has more at stake". China Post. Retrieved 13 November 2014.
- Hong, Caroline (2 December 2004). "`I do not work with China': Lien Chan". Taipei Times. Retrieved 13 November 2014.
- Chung, Lawrence (25 October 2014). "Taiwan mayoral challengers take fight for votes to KMT strongholds". South China Morning Post. Retrieved 13 November 2014.
- "Legislator disputes Sean Lien claim on leaving Evenstar". Taiwan News. 8 October 2014. Retrieved 13 November 2014.
- Sean Lien J.D. "Sean Lien: Executive Profile & Biography - Businessweek". Bloomberg Businessweek. Retrieved 2014-06-23.
- Chung, Lawrence (17 December 2010). "Sean Lien shooting not staged, prosecutors say". South China Morning Post. Retrieved 13 November 2014.
- "Sean Lien announces candidacy for Taipei mayoral race". Global Times. Xinhua News Agency. 24 February 2014. Retrieved 13 November 2014.
- "Sean Lien wins KMT primary for Taipei mayoral election". Want China Times. Central News Agency. 20 April 2014. Retrieved 13 November 2014.
- "Taiwan PM quits after election losses". Al Jazeera. Retrieved Nov 30, 2014.