Instagram/JungHee Ko & Joseph Chang Music Kakao Entertainment names JungHee Ko co-CEO to lead global expansion, AI innovation, and platform strategy alongside Joseph Chang. April 27, 2026 AceShowbiz - The Korean entertainment powerhouse, Kakao Entertainment, has announced a significant reorganization of its executive leadership aimed at strengthening its global market presence and platform innovation. At the company's annual shareholders' meeting on March 25, JungHee Ko was officially appointed as co-CEO, joining the existing co-CEO, Joseph Chang.