Si Yun served as a grassroots participant and leader passionately for 8 years, with the Eunos Youth Network and the Young PAP Eunos Branch. She contributes to and connects with the youth through organising community events and participating in resident outreach activities.

Within SMU, she actively participated in various co-curricular activities like SMU International Connections (ICON) and SMU Symphonia; where she took on the leadership role of ICON’s Honorary General Secretary and spearheaded the programmes department of ICON’s signature event, Global Village.

She is a responsible and committed student helper who is well-liked by the team and her fellow student helpers.