• Represented major domestic financial institutions in investigations by regulatory authorities and in civil and criminal litigations regarding personal information leakage. 
• Represented a major global pharmaceutical company in its civil and criminal litigation in a personal information leakage case. 
• Represented global SNS service providers, global IT companies, and major software development companies in investigations by regulatory authorities, and advised on privacy regulations. 
• Conducted privacy & IT compliance reviews for domestic banks, financial IT service providers, and global and domestic game companies. 
• Advised foreign financial companies on cross-border data transferring.

• Advised a major domestic financial holding company on cloud computing and big data. 
• Advised Internet banks on obtaining preliminary government licenses and on various business models and regulations. 
• Advised banks and fintech companies on obtaining licenses and operating MyData Businesses. 
• Advised companies on operating electronic financial businesses.

• Advised major global and domestic banks on KIKO mis-selling cases. 
• Advised a foreign financial company in a Korea Fair Trade Commission’s cartel investigation. 
• Advised foreign financial companies in police investigations regarding issuances of overseas debt bonds.

Publications/Activities

[Publications] 
 
• Practical Law Data Privacy Advisor - Information Security Considerations/Cyber Incident Response and Data Breach Notification (Co-author, Thomson Reuters, 2021) 
• Amendment and Implications of the Three Data Privacy Laws (Focusing on the Credit Information Act), Electronic Financial Business and Financial Security 20 (Financial Security Institute, 2020) 
• The Study of the Implementation of Information Protection Technology for MyData in Financial Sector (Co-author, Financial Service Commission, 2019) 
• The Concept and Legal Issues of Open Banking, BFL Vol. 99 (Co-author, Center for Financial Law, Seoul National University, 2020) 
• Euromoney Financial Crime & Cyber Security Handbook 2014/15: Korea chapter (Co-author, Euromoney, 2014)
 
[Speaking Engagements] 
 
• “Introduction of MyData Industry and Legal Issues,” Financial Security Institute Big Data Council (2018) 
• “Keywords for Data Combination: Pseudonymization, Anonymization and De-identification,” Privacy Global Edge 2019 (2019) 
• “Legal Issues in Use of API in Finance Industry,” Korea Credit Information Service - Insurance Credit Information Seminar (2019)