David MacArthur, who joined the group from Anderson Mori & Tomotsune in March 2024; Eun Nyung (Ian) Lee, who joined from legacy firm KL Partners in August 2023, and Jeonghye Sophie Ahn all jointly lead the team at Yulchon. MacArthur is well-known for representing shipbuilding and telecoms clients, while Lee is noted for his knowledge of post M&A and private equity-related disputes. Ahn is particularly experienced in handling arbitration-related court proceedings concerning the enforcement of awards. Yun Jae Baek, dual qualified in both New York and Korea, is recommended for his longstanding experience in international disputes concerning aviation, and M&A matters. Woo Suk Jung left the frim in September 2023.
Testimonials
Collated independently by Legal 500 research team.
- 'A very strong and coherent team. Very hard working, intelligent and dependable lawyers.'
- 'Yun Jae Baek is a real statesman. Jae Hyong Woo is a real leader and shrewd lawyer. A formidable team.'
- 'Yulchon's arbitration team is a true powerhouse, with exceptional expertise in Korean law disputes, international commercial arbitrations and investment treaty arbitration. The team is very dedicated to achieving the best outcomes for their clients and a great pleasure to work with.'
- 'Yun Jae Baek is one of the leading and most well-respected arbitration lawyers in the Korean market as well as a great leader. Jae Hyong Woo is a trustworthy partner and a great communicator who can bring new perspectives to any matter.'
- 'Strong arbitration team in the Korean market. Good mix of international and national practitioners.'
- 'David MacArthur - lots of experience in Asian markets and in particular in the Korean market. Yulchon is a good platform for him as senior foreign attorney. YJ Baek - a distinguished senior gentlement, who is well established and selflessly promotes his junior partners. Sophie Ahn - young partner making a mark in the international arbitration scene Hyun Ah Park - young partner which exudes a lot of self-confidence and warmth at the same time'
- 'Yulchon\'s arbitration team, led by Baek and Woo, stands out for its exceptional professionalism, sincerity, and expertise, particularly in investment arbitration and Korean law. Their deep understanding of the nuances involved in these areas makes them a formidable choice for clients seeking top-tier legal representation.'
- 'Baek, Yun Jae (Partner) Baek, Yun Jae, the head of int. arbitration team, is an exceptionally seasoned and skilled attorney, leveraging decades of experience to lead his team with reliability and expertise. Woo, Jae Hyong (Partner) Woo Jae Hyong is a distinguished expert in ISDS and international arbitration. His diligent and humble approach to case preparation and understanding is truly remarkable. Woo’s thoroughness ensures that every aspect of a case is meticulously addressed.'
Key clients
- KT
- Hyundai Engineering & Construction
- Daelim Industrial
- APEX Group
- Siemens AG
- POSCO Daewoo
- Republic of Korea
- Hanwha Corp.
- GS Engineering & Construction
- POSCO
Work highlights
- Represented a client who filed a request for arbitration under the bilateral investment treaty between the government of the People's Republic of China and the government of the Republic of Korea on the Promotion and Protection of Investments.
Lawyers
Practice head
The lawyer(s) leading their teams.
David MacArthur, Eun Nyung (Ian) Lee, Jeonghye Sophie Ahn