After serving as an officer (Colonel transfer) in the Ministry of National Defense (Air Force), he has received kudos from the President, Prime Minister of the Ministry of Defence, and the Minister of Environment Awards by performing work in the field of design, construction, and construction management, with a concentration on military facilities, for more than 30 years. In order to enhance his expertise as a construction engineer during his service, he graduated from the Graduate School of Architectural Engineering at the University of Seoul and graduated from the Graduate School of Urban Sciences and earned his master's degree in Construction Engineering, and acquired the qualifications of Construction VE Specialist (CVS), and Construction Project Management Professional (CMP). He joined HAENGLIM Architecture in 2012, where ‘Apricot Forest Dream’ lives, and he carried out numerous projects including major defense projects, such as Project 329 and Project 323, conducted a feasibility study on 00 Center extension / reconstruction projects, and also oversaw landing maneuver projects. Additionally, he performed Construction Management duties (CM) ordered by the Government Service Pension Corporation for Andong-si, Seoguipo Gangjeong Village Sangrok Apartment Construction project, Gwangju Hyocheon district Apartment Construction project, and performed Construction Management duties (CM) for the Osan Operation Security Facility Construction, Pyeongtaek Simulation Center Construction, and IN-KIND project (Gunsan base Force Reinforcement Construction) which was ordered by the Far East Engineering Command (FED). Also, on December 1, 2017, he received an award from the Minister of Land, Infrastructure and Transport for his contributions to technology development, education, and supply to enhance the status of construction engineers based on his performance in the Super-Computer Facility Complex Construction Design VE ordered by the Korea Advanced Institute of Science and Technology (KIPF), Children’s Museum of Northern Gyeonggi Construction Design VE, and AirForce next generation Fighter jet Accommodation Facility Design VE. Based on these experiences, he has participated and worked in the Ministry of National Defense and participated on the Suwon Metropolitan Government's advisory committee, the Anyang City Defense Commissioners Committee, and the Technical Advisory Committee of SH Corporation Construction and Gyeonggi Construction to implement Construction Technology.