Sung Suk Suh

Cosmax, the world's largest cosmetics ODM, counts Shiseido, Yves Saint Laurent, and Lancôme among its 4,500 customers and is teaming with L'Oréal to take K-beauty global. Cofounder Sung Suk Suh chairs holding company Cosmax BTI, overseeing its 1,100 researchers. Factories span Korea, China, Southeast Asia, the U.S., and—after acquiring Italy's Keminova—Europe; 2025 revenue hit a record $1.7 billion. Eldest son Lee Byung-man, Cosmax BTI's largest shareholder since May, runs the core business, while younger son Byung-joo leads BTI.