The group welcomes Yewon Han, joining our group as a new graduate student in the Department of Chemistry in 2026 spring. Yewon graduated from Yonsei University has experienced polymer chemistry in Prof. Byeong-Su Kim’s group working on adhesive polyesters. Yewon will be working with Changsu in the area of circular polymer economy and synthesizing architecture-controlled polymer-based recyclable polymers. Welcome, Yewon!