I've worked1) as a Project Manager in Kangwon National University, international affairs, exchange student project manager for 1.5 years,2) as an English teacher in Kangwon National University and Hallym Sungshim language institute for half a year,3) as a TF member of World Dance Cup - Leisure Sports Organizing Committee Chuncheon City Hall, in charge of foreign delegates and participants accomodation, schedule, finance (expense settlement), transportation and so on for 4 months during the whole project.4) as a listing and promotion project manager in marketing group in a blockchain company for little over 1 year,5) Overall Manager at JTS consulting for 2 years taking care of overall company management and business in blockchain related business, direct sales business, network sales business, and land development projects.