D&A LLC

Mr. Gwang Soo Oh is a managing partner at D&A LLC. His practice is primarily focused on Criminal & Compliance, Corporate, Finance & Restructuring, Construction & Real Estate, Reconstruction & Redevelopment, Environmental, Social & Governance (ESG), the Serious Accidents Punishment Act, Blockchain, and Investigations.

Managing Partner

• Senior Secretary to the President for Civil Affairs (June 2025)
• D&A LLC (2020-Present)
• Managing Partner, Law Firm Inwol (2018)
• Oh Kwang Soo Law Office (2016)
• Director General, Crime Prevention Policy Bureau, Ministry of Justice (2015)
• Chief Prosecutor, Daegu District Prosecutors’ Office (2013)
• Chief Prosecutor, Cheongju District Prosecutors’ Office (2013)
• First Deputy Chief Prosecutor (Chief Prosecutor), Daegu High Prosecutors’ Office (2012)
• Research Fellow, Institute of Justice (2011)
• Chief Prosecutor, Ansan Branch of Suwon District Prosecutors' Office (2010)
• Deputy Chief Prosecutor, Seoul Western District Prosecutors’ Office (2009)
• Second Deputy Chief Prosecutor, Busan District Prosecutors' Office (2009)
• Chief Prosecutor, Seosan Branch of Daejeon District Prosecutors' Office (2008)
• Departmental Chief Prosecutor, Special Investigation Division 2, Seoul Central District Prosecutors' Office (2007)
• Chief Prosecutor, Central Investigation Division 2, Supreme Prosecutors’ Office (2005)
• Departmental Chief Prosecutor, Special Investigation Division, Incheon District Prosecutors’ Office (2004)
• Practical Investigation Training, Brooklyn District Attorney’s Office, New York, U.S.A. (2003)
• Deputy Departmental Chief Prosecutor, Special Investigation Division, Seoul District Prosecutors’ Office (2002-2004)
• Chief Prosecutor, Haenam Branch of Gwangju District Prosecutors' Office (2001-2002)
• Deputy Departmental Chief Prosecutor, Seongnam Branch of Suwon District Prosecutors’ Office (Dispatched to the Central Investigation Division, Supreme Prosecutors’ Office, 2001)
• Research Prosecutor, Supreme Prosecutors’ Office (1999-2001)
• Prosecutor, Daejeon District Prosecutors’ Office (Dispatched to the Central Investigation Division, Supreme Prosecutors’ Office, 1997-1999)
• Prosecutor, Suwon District Prosecutors’ Office (Dispatched to the Central Investigation Division, Supreme Prosecutors’ Office, 1995-1997)
• Prosecutor, Seoul District Prosecutors’ Office (1993-1995)
• Prosecutor, Ganggyeong Branch of Daejeon District Prosecutors’ Office (1991-1993)
• Prosecutor, Busan District Prosecutors’ Office (1989-1991)
• Judicial Research and Training Institute of the Supreme Court of Korea (1989)

Korean

• Admitted to Bar, Korea (1989)

• Sungkyunkwan University (JSD, 2009)
• College of Law, Sungkyunkwan University (LLB, 1987)
• Jeonju High School (1979)