- Recent Administrative Duty
- Vice Dean, Faculty of Science, NUS: July 2020 — June 2026.
- Member, Fellows Selection Committee (FSC), Society for Industrial and Applied Mathematics (SIAM): July 2024 — June 2026.
- Member of Scientific Committee (SC), ICOSAHOM conference: 2021 –.
- Chair of Faculty Practical-track Appointment Committee (FPAA), Faculty of Science, NUS: April 2022 — .
- Member of Executive Committee, East Asia Section of Society of Industrial and Applied Mathematics, EASIAM: 2021 — .
- Faculty Advisor, SIAM Student Chapter@NUS: 2011 —
- Representative of Singapore Mathematical Society at the International Council of Industrial and Applied Mathematics (ICIAM): 2011 —
- Past Administrative Duty
- Member of University Promotion and Tenure Committee (UPTC), National University of Singapore: July 2019 — June 2021.
- Assistant Head and Director of GPC, Department of Mathematics, NUS: April 2014 — June 2020.
- Member of Faculty Promotion and Tenure Committee (FPTC), Faculty of Science, NUS: July 2016 — June 2018, and July 2021 — June 2022.
- Member of Executive Committee, East Asia Section of Society of Industrial and Applied Mathematics, EASIAM: 2010 –2014.