Born in 1982. I entered the Korea Military Academy in 2002. And I was commissioned as a Republic of Korea Army Infantry officer in 2006(major in international relations). I served as Platoon leader from 2006 to 2007, as Company commander from 2009 to 2013, and earned a master's degree in 2016(major in security strategy). In 2019, I served as the Deputy commander of the R.O.Korea unit of the UNC JSA Security Battalion. In 2020, I served at the R.O.K.-U.S. CFC(Combined Forces Command). I worked at the R.O.K. Army Headquarters from 2021 to 2022.