Mr Jung is a CEO of Now&Pay Company. He has graduated with public administration degree and worked at Samsung domestic sales division. After he left Samsung he started a soundtrack company called Cyber Production. Mr Jung also started credit card VAN business in 1999 and from 2000 he was CEO of Auto Information Solution, Auto Home Shopping, and O2Net while starting credit card next day service. In 2015, Mr Jung worked with a partner bank and started credit bond buy and sell service under the approval of Finanacial Supervisory Service.