• Advised major multinational and local financial institutions on new services based on internet and mobile phones 
• Advised major multinational and local IT companies on e-payment and e-commerce 
• Advised cryptocurrency and blockchain companies on initial coin offering and relevant Korean regulations 
• Prepared self-regulation for cryptocurrency exchanges 
• Represented a cryptocurrency exchange in a criminal case

• Conducted compliance review for multinational financial institutions 
• Advised major multinational and local financial institutions, including banks, credit card companies and security companies, on financial regulation 
• Represented an investment advisory company in an administrative case against financial authorities 
• Represented financial companies in damage claim cases

• Conducted privacy & IT compliance review for financial institutions and credit information institutions 
• Advised financial companies and IT companies on privacy matters 
• Advised companies on IT security matters, particularly regarding financial IT security requirements

Awards

• Leading Lawyer, Who’s Who Legal: Fintech & Blockchain - Blockchain (Who’s Who Legal, 2024)
• Leading Lawyer, Who’s Who Legal: Fintech & Blockchain - Fintech (Who’s Who Legal, 2024)
• Leading Individual, Chambers Fintech Guide (Chambers and Partners, 2023)
• Awarded summa cum laude, Sungkyunkwan University Law School (2013) 
• Awarded summa cum laude, KAIST (2003)

Publications/Activities

• South Korea: An Introduction to South Korea (Co-author, Chambers and Partners, 2023)
• Korea: the current regulatory landscape for crypto assets (Co-author, IFLR, 2023)
• An Introduction to FinTech Legal: South Korea, Chambers Professional-Advisers FinTech 2023 (Co-author, Chambers and Partners, 2022)
• Practical Summaries of Crypto Regulation and Law - South Korea (Co-author, The Elliptic Crypto Compliance Hub, 2022) 
• An Introduction to FinTech Legal: South Korea, Chambers Professional-Advisers FinTech 2022 (Co-author, Chambers and Partners, 2021) 
• The Legal 500 Country Comparative Guides - Blockchain (Edition 3): Korea Chapter (Co-author, Legalease, 2021) 
• Practical Law - FinTech in South Korea: Overview (Co-author, Thomson Reuters, 2021) 
• Implications and Issues Regarding Initial Coin Offering (ICO), Journal of Korean Security Law Association, Vol. 19, No. 2 (Co-author, Korea Securities Law Association, 2018) 
• The Korean Premium: Cryptocurrency - Arbitrage Phenomenon in Korea, NYSBA International Law Practicum, Vol. 31 (Co-author, New York State Bar Association, 2018) 
• Privacy Issues on Blockchain, Personal Information Security (PIS) Fair (Personal Information Protection Commission, 2018) 
• Online Commentary on the Electronic Financial Transaction Act (Co-author, Online Commentary on the Electronic Financial Transaction Act, LAWnB, Thomson Reuters) 
• Asia Fintech Special Focus: Crowding (Co-author, IFLR, 2017.5.) 
• An Incremental Clustering Crawler for Community-Limited Search, 2009 The Second International Conference on the Applications of Digital Information and Web Technologies (Co-author, IEEE, 2009) 
• LGeDBMS: A Small DBMS for Embedded System with Flash Memory, Proceedings of the 32nd International Conference on Very Large Data Bases (VLDB) (Co-author, VLDB, 2006) 
• Web Crawling and PageRank Calculation for Community, Proceedings of the Conference of Korean Institute of Information Scientists and Engineer, Vol. 32, No. 1 (Co-author, Korea Institute of Information Scientists and Engineers, 2005)