Chronicles of Chairperson and Vice-chairperson
1st (Apr. 1, 1992 ~Jun. 30, 1995)
First-half
- Chairperson Ho-shik Gong
- Vice-chairperson Jae-woong Cho
Second-half
- Chairperson Young-geun Im
- Vice-chairperson Jae-young Ahn
2nd (Jul. 1, 1995 ~Jun. 30, 1998)
First-half
- Chairperson Jae-il Yoo
- Chairperson Jin-goo Kim
- Vice-chairperson Myung-sam Park
Second-half
- Chairperson Myung-sam Park
- Vice-chairperson Yong-woo Lee
- Vice-chairperson Joo-won Kim
3rd (Jul. 1, 1998 ~Jun. 30, 2002)
First-half
- Chairperson Seung-ha Baek
- Vice-chairperson Jin-soo Lee
Second-half
- Chairperson Joong-bae Moon
- Vice-chairperson Dae-hyun Baek
4th (Jul. 1, 2002 ~Jun. 30, 2006)
First-half
- Chairperson Dae-hyun Baek
- Vice-chairperson Ji-hoon Han
Second-half
- Chairperson Won-heon Choi
- Vice-chairperson Moon-hwan Cho
- Vice-chairperson Chan-seop Im
5th (Jul. 1, 2006 ~Jun. 30, 2010)
First-half
- Chairperson Moon-hwan Cho
- Vice-chairperson Gi-heung Lee
Second-half
- Chairperson Han-seop Yoon
- Vice-chairperson Myong-cheol Kim
6th (Jul. 1, 2010 ~Jun. 30, 2014)
First-half
- Chairperson Jin-won Kim
- Vice-chairperson In-hye Choi
Second-half
- Chairperson Woong-soo Choi
- Vice-chairperson Ji-hye Kim
7th (Jul. 1, 2014~Jun. 30. 2018)
First-half
- Chairperson Young-geun Moon
- Vice-chairperson Sang-su Lee
Second-half
- Chairperson Jeong-hwan Son
- Vice-chairperson In-su Jang
8th (Jul. 1, 2018~Jun 30. 2022)
First-half
- Chairperson Jang Insu
- Vice-chairperson Kim Younghe
Second-half
- Chairperson Jang Insu
- Vice-chairperson Kim Younghe