• 
  12th, 13th, 14th Jeong, Cho-si 2014.09.01 ~ 2022.08.31
  • Board Member of Korean Economic Association
  • Board Member of Korea Labor and Employment Relations Association
  • Exchange Professor, Dept. of Economics, SOAS, University of London
  • Professor, Dept. of Economics, College of Economics & Business Administration, Cheongju University
• 
  10th, 11th Chung, Nak-hyung 2010.11.01 ~ 2014.07.31
  • Director General, City Bureau, Ministry of Construction & Transportation
  • Director, Korea Institute of Civil Engineering and Building Technology
  • Deputy Mayor for Political Affairs, Busan Metropolitan City Hall
• 
  9th Park, Chul-yong 2009.08.10 ~ 2010.08.31
  • Member, Chungcheongbuk-do Performance Evaluation Committee
  • Member, Governor Pledge Evaluation Advisory Committee
  • Professor, School of Business Administration, Seowon University
• 
  8th Lee, Soo-hee 2006.08.10 ~ 2009.08.09
  • Director, Corporate Research Center, Korea Economics Research Institute
  • Advisor, Jeollanam-do Balanced Development Committee
  • Chairperson, 3rd Division of Steering Committee, Korea Innovation Forum
  • Professor, Department of Economics, Hallym University
• 
  7th Lee, Jae-choong 2006.01.01 ~ 2006.08.09
  • Director of Local Government, Ministry of Government Administration and Home Affairs
  • Administrative governor, Chungcheongbuk-do
  • Standing Member, The Ombudsman of Korea
• 
  5th, 6th Lee, Tae-il 2000.04.01 ~ 2005.12.31
  • Head of Planning and Coordination, Korea Institute of Land Development
  • Vice President of Construction & Economy Research Institute of Korea
  • Examiner of Policy Review and Evaluation, Prime Minister's Secretariat
  • Member of Committee on Regional Development
• 
  4th Han, Dae-soo 1997.11.28 ~ 1999.11.23
  • Prime Minister's Secretariat
  • Administrative Governor, Chungcheongbuk-do
  • Deputy Secretary-General, Hannara Party
  • Mayor of Cheongju
• 
  3rd Na, Ki-Jeong 1995.12.27 ~ 1997.11.24
  • Head of Planning and Management, Chungcheongbuk-do
  • Administrative Governor, Chungcheongbuk-do
  • Director, Institute of Future City
  • Mayor of Cheongju
• 
  2nd Hwang, Nak-yeon 1993.05.21 ~ 1995.04.20
  • Director of Home Affairs, Chungcheongbuk-do
  • Deputy Mayor, Cheongju-si
  • Chief, Public Development Project
• 
  1st Hong, Soon-ki 1990.05.15 ~ 1993.03.31
  • Deputy Mayor, Daejeon-si
  • Deputy Governor