I’m currently Professor at the Department of Statistics and Data Science at the National University of Singapore, and I’m also the head of the department.

News

• The 65th ISI World Statistics Congress is going to take place in The Hague, Netherlands, 5-9 October 2025 (new dates!), and I’m honoured to serve as Chair of the Scientific Programme Committee. Call for Contributed Papers is now open!
• Do check out our new MSc in Data Science for Sustainability!
• We have tenure-track positions in statistics, data science and related areas; do not hesitate to contact me or apply through mathjobs.org.
• Our department is offering new departmental postdoc positions! Do not hesitate to contact me or apply through mathjobs.org.

Research Interests

Distributional approximations in probability theory, Stein’s method, mathematical and statistical modeling of infectious disease processes.

My publications can be found on Google Scholar.

Research Group

Current postdocs

• Francesca Cottini, jointly with University of Luxembourg

Former postdocs

• Yuanfei Huang
• Tianshu Cong
• Van Hao Can
• Zhuosong Zhang
• Gursharn Kaur
• Arturo Jaramillo, jointly with University of Luxembourg
• Xiaochuan Yang, jointly with University of Luxembourg

Current PhD students

• Ryo Imai

Former PhD students

• Shang Li
• Wai Hoh Tang
• Daniel Paulin

GitHub Projects

• csgc: R and Python packages to calculate centred subgraph count statistics; based on the paper “Higher-order fluctuations in dense random graph models”
• RSTISim: R package to simulate STIs on dynamically changing partnership networks.

A less serious, but important piece of research nonetheless…

• A. Röllin and M. Zilversmit. A Test in discernment of Scotch whiskey and Cognac brandy among untrained tasters.