1st President Yoo, Seok-chang

March 31, 1959 - Sept. 30, 1961

2nd , 3rd President Jeong, Dae-wee

Jan. 15, 1962 - May 13, 1968

4th president Moon, Hee-seok

Nov. 5, 1968 - Dec. 26, 1970

5th, 6th, 7th President Kwak, Jong-won

Jan. 6, 1971 - March 28, 1980

8th President Jo, Il-mun

March 29, 1980 - Feb. 28, 1983

9th , 10th President Kwon, Young-chan

March 1, 1983 - May 20, 1988

Acting President Yun, Hyo-jik

May 21, 1988 - Aug. 9, 1988

11th President Kim, Yong-han

Aug. 10, 1988 - Feb. 28, 1991

12th President An, Yong-gyo

March 1, 1991 - Jan. 31, 1993

13th President Jeong, Ho-gwon

Feb. 1, 1993 - June 21, 1994

Acting President Kim, Hyeon-yong

June 21, 1994 - Aug. 31, 1994

14th President Yun, Hyeong-seop

Sept. 1, 1994 - Aug. 31, 1998

15th President Maeng, Won-jae

Sept. 1, 1998 - Aug. 31, 2002

16th President Jeong, Gil-saeng

Sept. 1, 2002 - Aug. 31, 2006

17th President Oh, Myung

Sept. 1, 2006 - Aug. 31, 2010

18th President Kim, Jin-gyu

Sept. 1, 2010 - May 29, 2012

19th President Song, Hee-young

Sept. 1, 2012 - Aug. 31, 2016

20th President Min, Sang-gi

Sept. 1, 2016 - Aug. 31, 2020

21st President Jeon, Young-jae

Sept. 1, 2020 - Aug. 31, 2024