Mark Chen

Chen Tan-sun
陳唐山
Chen in 2025
20th and 23rd Secretary-General to the President
In office
23 March 2008 – 20 May 2008
PresidentChen Shui-bian
Preceded byYeh Chu-lan
Succeeded byChan Chun-po
In office
25 January 2006 – 6 February 2007
PresidentChen Shui-bian
Preceded byMa Yung-chen (acting)
Yu Shyi-kun
Succeeded byChiou I-jen
9th Secretary-General of the National Security Council
In office
6 February 2007 – 27 March 2008
ChairmanChen Shui-bian
Preceded byChiou I-jen
Succeeded bySu Chi
18th Minister of Foreign Affairs
In office
16 April 2004 – 14 January 2006
Prime MinisterYu Shyi-kun
Frank Hsieh
Preceded byEugene Chien
Succeeded byJames C. F. Huang
7th Magistrate of Tainan
In office
20 December 1993 – 20 December 2001
Preceded byLee Ya-chiao
Succeeded bySu Huan-chih
Member of the Legislative Yuan
In office
1 February 2012 – 31 January 2016
Preceded byLee Chun-yee
Succeeded byWang Ting-yu
ConstituencyTainan 5th
In office
1 February 2002 – 15 April 2004
ConstituencyTainan
In office
1 February 1993 – 20 December 1993
Succeeded byChen Zau-nan
ConstituencyParty-list
Personal details
Born (1935-09-16) 16 September 1935
Party Democratic Progressive Party
EducationNational Taiwan University (BS)
University of Oklahoma (MS)
Purdue University (PhD)

Chen Tan-sun (Chinese: 陳唐山; pinyin: Chén Tángshān; Pe̍h-ōe-jī: Tân Tông-san; born 16 September 1935), also known by his English name Mark Chen, is a Taiwanese politician and atmospheric scientist who served as Secretary-General of the Office of the President of Taiwan under former President Chen Shui-bian. He was also previously Foreign Minister of the ROC from 2004 to 2006 (the first Democratic Progressive Party member to occupy the position). Before returning to Taiwan, he worked for the United States Department of Commerce from 1973 to 1992, over 19 years.