Eugene Chien

Chien You-hsin
簡又新
Ambassador-at-Large of Climate and Sustainability of the Republic of China (Taiwan)
Assumed office
2016
Preceded byPosition established
Minister of Foreign Affairs of the Republic of China
In office
1 February 2002 – 16 April 2004
Preceded byTien Hung-mao
Succeeded byMark Chen
ROC Representative to the United Kingdom
In office
1993–1997
Minister of Transportation and Communications of the Republic of China
In office
1 June 1991 – 27 February 1993
Preceded byClement Chang
Succeeded byLiu Chao-shiuan
Minister of the Environmental Protection Administration
In office
22 August 1987 – 31 May 1991
Preceded byPosition established
Succeeded byJaw Shaw-kong
Member of the Legislative Yuan
In office
1 February 1984 – 31 January 1987
ConstituencyTaipei
Personal details
Born (1946-02-04) February 4, 1946
Taoyuan County (now Taoyuan City), Taiwan
EducationNational Taiwan University (BS)
New York University (MS, PhD)
ProfessionDiplomat and politician

Chien You-hsin (Chinese: 簡又新; pinyin: Jiǎn Yòuxīn; Wade–Giles: Chiěn Yòu-hsīn; born 4 February 1946), also known as Eugene Chien, is a Taiwanese politician and aeronautical engineer. He has been the chairman of the Taiwan Institute for Sustainable Energy since 2007. He previously served as Minister of Foreign Affairs from 2002 to 2004.