Mr. Ki Sung LEE is a partner at D&A LLC. His practice is primarily focused on Antitrust & Competition, Subcontracting, and Corporate Law.

Bar Admissions

• Admitted to Bar, Korea (2015)

Education

• School of Law, Hanyang University (2015)
• College of Law, Hanyang University (LLB, 2011)
• Seoul Foreign Language High School (2005)

Significant Accomplishments

• D&A LLC (2021-Present)
• Korea Fair Trade Commission (2018-2021)
• Public Service Advocate, Ministry of Justice (2015-2018)

Professional Activities and Experience

• |N|[Major Advisory Services/M&A]
• Advised ExoAtletAsia, a wearable rehabilitation robot company, on investment
• Advised CJ Corporation on the acquisition of a Chinese seasoning company
• Advised various biotechnology companies, such as Prestige Biologics, GenNBio, and EncuraGen
• Acted as a lead advisor on the sale of the Packaging Business Division of Hyosung Corporation
• Acted as a lead advisor on the acquisition of Toshiba Samsung Storage Technology (TSST)
• Acted as a lead advisor on the sale of Korea Aerospace Industries (KAI)
• Acted as a lead advisor on the sale of DAEWOO INTERNATIONAL (Current POSCO INTERNATIONAL)
• |B|
• |N|[Major Litigation]
• Provided advice and represented the client in litigation proceedings in an international arbitration case related to the sale of management rights of Tong Yang Life Insurance
• Represented the client in a shareholder derivative litigation related to collusion
• Advised on a case involving SK Siltron’s violation of the Fair Trade Act
• Represented a client in a claim for damages against Deutsche Bank regarding Options Shock in 2010
• Successfully represented Woori Bank in a claim for damages against Citigroup involving collateralized debt obligation (CDO) in the New York State Court of Appeals
• Represented a domestic electric rice cooker company in a claim for execution judgment against U.S. HSN Inc.
• Represented COSMO E&C in a number of lawsuits and arbitrations regarding the construction of the Nalut Campus of Al-Jabal Al Gharbi University in Libya
• Represented Keangnam Enterprises in a claim for the return of a down payment related to the sale of its subsidiary Suwan Energy

• 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)