Ms. You Lee JUNG is a partner at D&A LLC. Her practice is primarily focused on Tax Litigation, Criminal Defense Litigation, Investigations, Trials, and Blockchain.

Before joining D&A, Ms. Jung served as the Departmental Chief Prosecutor of Tax Criminal Investigation at the Seoul Northern District Prosecutors’ Office. With her extensive experience in various criminal investigations and trials, she has attained profound expertise in the field of taxation during her tenure at the prosecution.

Bar Admissions

• Admitted to Bar, Korea (2006)

Education

• Duke University School of Law (LLM, 2017)
• Graduate School of Science in Taxation, University of Seoul (MST, 2013)
• Seoul National University (BA in Economics, 2004)
• Daegu Hyehwa Girl’s High School (1997)

Significant Accomplishments

• D&A LLC (2023-Present)
• Lectures on tax and customs laws for training programs at the Institute of Justice (2018-Present)
• Tax National Reporter, International Bar Association (2025-2026)
• Tax Legal Counsel, NTS Jungbu Regional Office (2023-2025)
• Departmental Chief Prosecutor, Tax Criminal Investigation, Seoul Northern District Prosecutors’ Office (2022-2023)
• Prosecutor Professor, Training New Prosecutors and International Cooperation, Yongin Branch of the Institute of Justice (2021-2022)
• Prosecutor and Deputy Departmental Chief Prosecutor in Tax, Seoul Central District Prosecutors' Office (2020-2021)
• Lectured for investigators at the National Tax Service (2018, 2020)
• Prosecutor, Yeoju Branch of Suwon District Prosecutors' Office (2018-2020)
• Training, Durham County District Attorney's Office, North Carolina, U.S. (2017)
• Prosecutor, Suwon District Prosecutors' Office (2014-2018)
• Prosecutor, Seoul Eastern District Prosecutors' Office (2010-2014)
• Prosecutor, Daegu District Prosecutors' Office (2008-2010)
• Prosecutor, Eastern Branch of Busan District Prosecutors' Office (2006-2008)
• Judicial Research and Training Institute of the Supreme Court of Korea (2006)

Professional Activities and Experience

• Established cooperative frameworks by executing memoranda of understanding (MOUs) with D&A LLC and related organizations, including the Korea Election Association and the Korean Administrative Attorneys Association

• A Study on the Criminal Punishment Framework for Tax Offenses (2025)
• OECD Model Tax Convention (Co-author) (LAWnB ONJU, 2025)
• A Criminal Review of Evidence From Tax Evasion Investigations (2025)
• A Review of the Procedures for Tax Evasion Investigations (2025)
• Measures to Prevent Tax Avoidance in Multinational Corporations – Focusing on Improving Tax Transparency Through Exchange of Information (2018)