| 1988 |
Passed Certified Public Accountant Examination (23rd Examination) |
| 1992 |
Won the finance and economy license in Public Administration Examination (36th Examination) |
| 1993~2000 |
Deputy Director, Ministry of Finance and Economy, Economy Planning Board |
| 1999 |
Passed the judicial examination (41th Examination) |
| 2002 |
Completed the training in Judicial Research and Training Institute (31st session) |
| 2002~2011 |
Lawyer in Kim & Chang, Certified Public Accountant |
| 2012~2016 |
19th member of National Assembly (Gunsan) |
| 2013~2014 |
Top spokesman of the Democratic Party |
| 2014 |
Chief Secretary of New Politics Alliance for Democracy |
| 2016~2020 |
20th member of National Assembly (Gunsan) |
| 2018~2019 |
Representative of Bareunmirae Party |
| Jun. 2022. |
Elected as the 8th Jeollabuk-do Governor by popular vote (present) |