South Korea’s Big Six firm Yulchon has hired David MacArthur, the co-head of the international arbitration practice at Big Four Japanese firm Anderson Mori & Tomotsune.

MacArthur will be relocating back to Seoul where he previously worked for another Big Six practice, Bae, Kim & Lee, as a partner. At Yulchon, MacArthur will also take on the title as the firm’s international arbitration practice co-head.