Mr. Sang Dal LEE is a senior advisor at D&A LLC. His practice is primarily focused on Nationalities and Immigration.

With over 30 years of experience in immigration policies and practices, his scope of work encompasses administrative affairs involving the legal status of foreign residents in Korea and travelers entering or leaving the country, including refugees. This includes issuing permits for foreigners based on their residency status (extension and change of status), handling visa issuance, law enforcement against violators (deportation), and addressing matters related to the acquisition/loss of nationality (naturalization) and permanent residency.

Bar Admissions

• Admitted to Bar, Korea (2021)

Education

• Chung-Ang University Graduate School of Public Administration (2015)
• Seoul National University of Science and Technology (BS in Chemical and Biomolecular Engineering, 1988)
• Yangyang High School (1978)

Significant Accomplishments

• Special Appointment Professor, Office of International Affairs, Catholic Kwandong University (2026-Present)
• Visiting Professor, Department of Global Convergence, Kangwon National University (2025-Present)
• D&A LLC (2024-Present)
• Director, Seoul Southern Immigration & Foreign Affairs Office (2020)
• Director, Immigration Big Data Division, Ministry of Justice (2018-2020)
• Immigration Planning Division, Ministry of Justice (2012-2017)
• Director, Seokcho Branch of Chuncheon Immigration Office (2012)
• Immigration Planning Division, Ministry of Justice (2007-2011)
• Gimpo Immigration Office, Institute of Justice, Incheon Airport Immigration Office, Seoul Immigration Management Office (1990-2007)

Professional Activities and Experience

• Conducted cases related to a number of construction companies such as Samsung C&T, GS E&C, and Dongbu E&C
• Conducted numerous corporate criminal cases such as embezzlement and breach of trust
• Carrying out litigation on corruption cases such as bribery and breach of trust
• Conducting cases of violation of laws related to the capital market and financial investment business such as market price manipulation
• International tax cases related to foreign funds and various tax cases
• Conducting public relations and media-related advisory services for companies, etc.

• Assessment of Gross Unfairness in Unfair Terms under the Subcontracting Act (Journal of Competition No. 230, Korea Fair Competition Federation, 2025)
• Competition (private company acquisitions) Q&A: South Korea (Co-author, Practical Law, Thomson Reuters, 2021)