His Excellency Chung Un-chan
정운찬
Prime Minister of South Korea
In office 29 September 2009 – 11 August 2010
President	Lee Myung-bak
Preceded by	Han Seung-soo
Succeeded by	Yoon Jeung-hyun (acting) Kim Hwang-sik
Personal details
Born	(1947-03-21) 21 March 1947 (age 78) Gongju, southern Korea
Political party	Independent
Alma mater	Seoul National University (BA) Miami University (MA) Princeton University (PhD)
Profession	Economist Professor
Korean name
Hangul	정운찬
Hanja	鄭雲燦
Revised Romanization	Jeong Unchan
McCune–Reischauer	Chŏng Unch'an

Chung Un-chan (Korean: 정운찬; born 21 March 1947^[1]) is a South Korean academic and politician who served as the prime minister of South Korea from 2009 to 2010. He was a professor of Seoul National University from 1978 to 2009, serving as president of the university from 2002 to 2006. From 2018 to 2020, Chung also served as the 22nd commissioner of the Korea Baseball Organization.^[2]

Chung Un-chan was born 21 March 1947, in Gongju. He received a bachelor of arts in economics from Seoul National University in 1970 and a master's degree in economics from Miami University (Ohio) in 1972.^[3][4] Chung received a Ph.D. in economics from Princeton University in 1978 after completing a doctoral dissertation titled "Toward a theory of the price setting banking firm."^[5] In October 2004, Chung was awarded an honorary degree in international education at the Far Eastern National University in Vladivostok, Russia.^[3]

Chung began his academic career as a business associate and assistant professor at Columbia University from 1976 to 1978.^[4] After three years of teaching money and financial markets at the university, Chung returned to Seoul National University in late 1978 as a member of the faculty of economics.^[4] Prior to his appointment as Seoul National University president in 2002, Chung was dean of the college of social sciences in the first half of 2002.^[3] Chung served as president of the university until 2006.^[3]

Chung was a visiting associate professor at the University of Hawaii in 1983, a visiting scholar at the London School of Economics from 1986 to 1987, and a visiting professor at Ruhr-Universitat Bochum in 1999. Chung continues to write and conduct research in macroeconomics and financial markets. He has numerous publications in both Korean and English.

Chung has held senior positions in government commissions and private research institutions. From 1995 to 1997, he served as a senior advisor to the Seoul Metropolitan Government's Policy Advisory Committee.^[4] Since 1996, he has been the director of the Suam Educational and Cultural Foundation. From 1998 to 1999, he was president of the Korean Money and Finance Association, and from 1998 to 2001, he served as director of the Korea Council of Economic and Social Research Institutes. Between 2000 and 2001, he held the position of chairperson of the Financial Development Committee within the Ministry of Economy and Finance. In 2002, he served as chairperson of the Committee on National Pension Development. From 2006 to 2007, he was President of the Korean Economic Association.^[6]

Chung had topped the list of potential candidates the ruling Uri Party camp would like to recruit at the 2007 presidential election,^[7] but he didn't enter the party.^{[citation needed]}

On 3 September 2009, Chung was nominated as Prime Minister of South Korea by president Lee Myung-bak. At the parliamentary confirmation hearing, he said that a government plan to relocate nine ministries and four major administration bodies to the newly created Sejong City in central South Korea would lead to nationwide inefficiency.^[8] Opposition parties including Democratic Party threatened to vote against him,^[8] but he was approved in the National Assembly of South Korea and assumed office as the 40th prime minister on 30 September 2009.^{[citation needed]}

After assuming office, the Sejong City plan faced an uphill political battle and opposition parties vowed opposition toward him. After the 2010 South Korean local elections, he expressed willingness to resign.^[9] He offered his resignation on 29 July^[10][11] and stepped down on 10 August after 10 months of bitter political experience.^[12]

Chung is a fan of baseball. He is a fan of the Doosan Bears, the Korean baseball team, and the New York Yankees.^[13] Chung was the 22nd commissioner of the Korea Baseball Organization from 2018 to 2020.^[2]