Moosung Jin mainly practices in financial institutions, licensing, financial regulations, capital markets, corporate financing, corporate governance and holding companies, and other general corporate matters. Mr. Jin earned a B.A. in Economics from Seoul National University and completed the 33rd Judicial Research and Training Institute course. Afterward, he worked at Hanul Professional Law Corporation and advised and represented clients in cases on construction and real estate. He also worked at the Judicial Affairs Office of Daewoo Securities as an in-house counsel and worked on securities-related litigation.

From 2012, Mr. Jin worked as an in-house counsel of Financial Supervisory Service. During his service, he gained extensive experience in legal issues in various areas including investigation of unfair trade in capital markets (use of undisclosed information, market price control, illegal dealing, etc.), audit review to detect and impose sanctions against accounting frauds of corporations required to submit business reports, and financial disputes. Based on these experiences, he gave many lectures at the Korea Listed Companies Association, KOSDAQ Listed Companies Association, and academies in Financial Supervisory Service.