Contacts

Maria Andraos is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisor Mario Ghossoub. Maria completed a Bachelor of Science in Pure Mathematics from Lebanese University in 2021, and then obtained a Master of Science in Mathematics from Notre Dame University in 2023. Maria's research interests are risk management, insurance, game theory, and asymmetric information.

Sid Bajaj is a current PhD candidate in Statistics under supervisor Dr. Jeffrey Negrea. Sid completed a Bachelor of Mathematics in Computer Science and Statistics from the University of Waterloo in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2024.

Sid's research interests are Online Learning.

Diribsa Tsegaye Bedada is a current PhD candidate in Biostatistics under supervisor Zelalem Negeri. Diribsa Tsegaye completed a Bachelor of Statistics from Hawassa University in 2011, and then obtained Master's degree in Applied Statistics from Addis Ababa University in 2016. Diribsa Tsegaye's research interests are Meta-analysis of diagnostic test accuracy using both individual participant and aggregate data, linear and generalized linear mixed models, missing data, causal inference and survival analysis.

Laura Bumbulis is a current PhD candidate in Statistics under supervisor Richard J. Cook. Laura completed a Bachelor of Mathematics in Statistics and Combinatorics and Optimization from the University of Waterloo in 2022, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2024. Laura's research interests are multistate modelling, missing data, and two-phase designs.

Yiliu Cao is a current PhD candidate in Statistics under supervisor Yeying Zhu. Yiliu completed a Bachelor of Science in Statistics and Economics from the University of Toronto in 2024, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2025. Yiliu's research interests are Causal Inference.

Yi Chang is a current PhD candidate in Statistics under supervisors Pengfei Li and Qinglong Tian. Yi completed a Bachelor of Mathematics in Statistics from the University of Waterloo in 2025. Yi's research interests are Semiparametric inference, empirical likelihood methods, in-context learning, positive-unlabeled learning and label-noise learning.

Qianyu Chen is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisors Fangda Liu and Jun Cai. Qianyu completed a Bachelor of Science in Actuarial Mathematics from Xi'an Jiaotong-Liverpool University and the University of Liverpool in 2022, and then obtained a Master of Mathematics in Actuarial Science from the University of Waterloo in 2023. Qianyu's research interests are optimal insurance/reinsurance design, risk sharing.

Sijie Chen is a current PhD candidate in Biostatistics under supervisors Lan Wen and Michael Wallace. Sijie obtained a Bachelor of Arts Combined Major in Economics and Statistics from The University of British Columbia in 2017, and then completed a Master of Mathematics in Statistics from the University of Waterloo in 2023.  Sijie's research interests are: causal inference.

Zhiyang Cheng is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisors Chengguo Weng and Lisa Gao.  Zhiyang completed a Bachelor of Science in Actuarial Science from Central University of Finance and Economics in 2024, and then obtained a Master of Mathematics in Actuarial Science from the University of Waterloo in 2025. Zhiyang's research interests are risk management, loss reserving, insurance optimization.

Jisun Choi is a current PhD candidate in Actuarial Science under supervisors Ruodu Wang and Ben Feng. Jisun obtained a Bachelor of Science in Statistics from Ewha Womans University in 2021, and then obtained a Master of Science in Mathematics from Sungkyunkwan University in 2023.  Jisun's research interests are: risk management.

Bryn Crandles is a current PhD candidate in Statistics under supervisors Ryan Browne and Reza Ramezan. Bryn completed a Bachelor of Science in Mathematics and Statistics from Brock University in 2021, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2022. Bryn's research interests are clustering, mixture models, model-based clustering, and neuroscience.

Madison Cranstone is a current PhD candidate in Biostatistics under supervisor Cecilia Cotton and Lan Wen. Madison completed a Bachelor of Science (Honours) in Statistics from University of Manitoba in 2022, and then obtained a Master of Mathematics in Biostatistics - Co-operative Program from University of Waterloo in 2024. Madison's research interests are Causal Inference, Machine Learning, Epidemiology, Clinical Trials, Infectious Diseases and Precision Medicine.

Olana Dabi is a current PhD candidate in Biostatistics under supervisor Zelalem Negeri. Olana completed a Bachelor of Science in Applied Statistics from Hawassa University in 2011, and then obtained a Masters of Science in Statistics from Addis Ababa University in 2014, and a Masters of Mathematics in Biostatistics from the University of Waterloo in 2024.  Olana's research interests are Meta-analysis.

Yixin Ding is a current PhD candidate in Statistics under supervisor Changbao Wu. Yixin completed a Bachelor of Mathematics in Statistics/Bachelor of Business Administration (Double Degree) from the University of Waterloo and Wilfrid Laurier University in 2024, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2025. Yixin's research interests are survey methodology.

Ambrose Emmett-Iwaniw is a current PhD candidate in Statistics under supervisor Christiane Lemieux. Ambrose completed a Bachelor of Science in Computer Science and Statistics from the University of Toronto in 2020, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2021. Ambrose's research interests are Variational Inference, Machine Learning, Deep Learning, Quasi-Monte Carlo, Sequential Monte Carlo, Time Series Analysis

Rohit Gajendragadkar is a current PhD candidate in Statistics under supervisors Jeffrey Negrea and Gregory Rice. Rohit completed a Bachelor of Mathematics in Statistics from the University of Waterloo in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2024. Rohit's research interests are Online Learning, Time Series, and Probability.

Lilian Hu is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisor Ruodu Wang. Lilian completed a Bachelor of Mathematics and Applied Mathematics from The Chinese University of Hong Kong, Shenzhen in 2022, and then obtained a Master of Financial Mathematics from The Hong Kong University of Science and Technology in 2023. Lilian's research interests are risk measures, axiomatic theory, and quantitative finance.

Muqiao Huang is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisor Ruodu Wang. Muqiao obtained a Bachelor of Mathematics in Pure Mathematics from the University of Waterloo in 2014, and then completed a Master of Arts in Pure Mathematics from York University in 2016.  Muqiao's research interests are: risk measures.

Yichen Huang is a current PhD candidate in Statistics under supervisor Samuel WK Wong. Yichen completed a B.Sc. in Mathematics & Statistics from McMaster University in 2023, and then obtained an M.Sc. in Mathematics & Statistics from McMaster University in 2025. Yichen's research interests are financial time series, Bayesian statistics and Bayesian methods.

Yuqi Jing is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisors Chengguo Weng and David Saunders.  Yuqi completed a Bachelor of Mathematics with Finance from the University of Manchester in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2025. Yuqi's research interests are quantitative finance, econometrics, and quantitative risk management, focusing on portfolio theory, covariance estimation of asset returns, and quantile estimation in risk management.

Taj Jones-McCormick is a current PhD candidate in Statistics under supervisor Liqun Diao. Taj obtained a Bachelor of Commerce, Economics and Finance from the University of Guelph in 2021, and then obtained a Master of Mathematics in Statistics from University of Waterloo in 2022.  Taj's research interests are: Statistical Learning.

Andrew Kenig is a current PhD candidate in Statistics under supervisors Shoja'eddin Chenouri and Lucy Gao. Andrew obtained a Bachelor of Science in Mathematics and Statistics from Brock University in 2017, and then completed a Master of Science in Statistics from Brock University in 2020.  Andrew’s research interests are: Selective inference, quantile regression, variable selection.

Ruihan Lin is a current PhD candidate in Statistics under supervisors Liqun Diao and Yingli Qin.  Ruihan completed a Bachelor of Science in Risk Management from Chinese University of Hong Kong in 2024, and then obtained a Master of Math in Statistics from the University of Waterloo in 2025. Ruihan's research interests are Deep Learning; Survival Analysis; Generative Model.

Zefan Liu is a current PhD candidate in Statistics under supervisors Changbao Wu and Pengfei Li.  Zefan completed a Bachelor of Arts in Economics and Statistics from the University of British Columbia in 2023, and then obtained a Master of Science in Statistics from the University of British Columbia in 2025. Zefan's research interests are survey sampling.

Xamy Lopez Cortes is a current PhD candidate in Statistics under supervisors Paul Marriott and Pengfei Li. Xamy completed a Bachelor of Science in Mathematics, with a Minor in Physics and Economics from Universidad de los Andes in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2025. Xamy's research interests are Mixture Models, Causal Inference, Geometry.

Chenxin Lyu is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisor Ruodu Wang. Chenxin completed a Bachelor of Science from The University of Hong Kong in 2022, and then obtained a Master of Philosophy in Mathematics from The University of Hong Kong in 2024. Chenxin's research interests risk management and operation research.

Jiahao Ming is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisors Ruodu Wang and Yi Shen. Jiahao completed a Bachelor of Economics in Financial Mathematics from Southern University of Science and Technology in 2024, and then obtained a Master of Arts in Mathematics from the University of Wisconsin-Madison in 2025. Jiahao's research interests are probability, risk management, optimal transport.

Nigel Petersen is a current PhD candidate in Statistics under supervisors Alex Stringer and Aukosh Jagannath.  Nigel completed a Bachelor of Science in Mathematics from the University of Toronto in 2022, and then obtained a Master of Science in Statistics from University of Toronto in 2023. Nigel's research interests are probability, stochastic PDEs, computational statistics, and spatial models.

Yicheng Qin is a current PhD candidate in Statistics under supervisor Shoja'eddin Chenouri. Yicheng completed a Bachelor of Economics in Economic Statistics from Southwestern University of Finance and Economics in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2024. Yicheng's research interests are Computational Statistics, and Differential Privacy.

Austin Riis-Due is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisors David Landriault and Bin Li. Austin obtained a Bachelor's of Science in Mathematics: Actuarial Science from The University of Texas at Austin in 2022.  Austin's research interests are: Stochastic Control for Insurance Problems, Reinforcement Learning, Actuarial Mathematics.

Kyu Min Shim is a current PhD candidate in Statistics under supervisor Nathaniel Stevens. Kyu Min completed a Bachelor of Mathematics in Statistics from the University of Waterloo in 2022, and then obtained a Master of Mathematics in Data Science from the University of Waterloo in 2024. Kyu Min's research interests are experimental design and causal inference.

Jay Sivathayalan is a current PhD candidate in Biostatistics under supervisors Ryan Browne and Michael Wallace.  Jay completed a Bachelor of Mathematics Honours in Statistics from Carleton University in 2023, and then obtained a Master of Mathematics in Biostatistics from the University of Waterloo in 2024. Jay's research interests are precision medicine and non-probability sampling.

Zhiqiao Song is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisor Jun Cai. Zhiqiao completed a Bachelor of Science in Actuarial Mathematics from Xi'anJiaotong-Liverpool University and University of Liverpool in 2021, and then obtained a Master of Science in Financial Technology from Imperial College London in 2022. Zhiqiao's research interests are risk management, quantitative finance and operations research.

Zirui Wang is a current PhD candidate in Actuarial Science and Quantitative Finance under supervisors David Saunders and Bin Li.  Zirui completed a bachelor's degree in finance from Western University in 2023, and then obtained a MSc Mathematical Finance from The University of Manchester in 2024. Zirui's research interests are time-inconsistent stochastic control problems, time-inconsistent optimal stopping problems.

Mengqi Xu is a current PhD candidate in Biostatistics under supervisors Joel Dubin and Subha Maity. Mengqi completed a Bachelor of Science in Statistics from Wuhan University in 2021, and then obtained a Master of Science in Biostatistics from the University of Michigan in 2023. Mengqi's research interests are transfer learning, predictive modeling, and statistical inference of heterogeneous data.

Xinlei Xu is a current PhD candidate in Statistics under supervisor Audrey Béliveau. Xinlei completed a Bachelor of Mathematics in Statistics and Mathematical Finance from the University of Waterloo in 2024, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2025. Xinlei's research interests are network meta-analysis.

Tiancheng Yang is a current PhD candidate in Statistics under supervisor Matthias Schonlau. Tiancheng completed a Bachelor of Computer Science from the University of Waterloo in 2021, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2022. Tiancheng's research interests are AI Agent, LLM, Survey Methodology, NLP.

Yan Yu is a current PhD candidate in Statistics under supervisor Bin Li. Yan obtained a Bachelor of Science from Dalian University in 2008, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2022.  Yan’s research interests are: Machine Learning, Stochastic Control

Daniel Zhang is a current PhD candidate in Statistics under supervisor Ali Ghodsi. Daniel completed a Bachelor of Mathematics with a Statistics Major and Computing Minor from the University of Waterloo in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2024.

Daniel's research interests are Bayesian deep learning, interpretable AI, and multimodal machine learning.

Xisi  Zhang is a current PhD candidate in Biostatistics under supervisors Glen McGee and Lan Wen. Xisi completed a Bachelor in Statistics from the University of Minnesota in 2016, and then obtained a Master's in Statistics from Boston University in 2018. Xisi's research interests are causal inference, machine learning.

Yixing Zhao is a current PhD candidate in Biostatistics under supervisor Liqun Diao. Yixing completed a Bachelor of Mathematics in Computational Mathematics from the University of Waterloo in 2023, and then obtained a Master of Mathematics in Statistics from the University of Waterloo in 2024. Yixing's research interests are Bayesian methods, and machine learning.

Yuxuan Zhao is a current PhD candidate in Statistics under supervisor Samuel Wk Wong. Yuxuan obtained an Honours Bachelor of Science in Mathematics and Statistics from The University of British Columbia in 2021, and then obtained a Master of Mathematics in Statistics from University of Waterloo in 2022.  Yuxuan's research interests are: Bayesian methods, Dynamic System.

Yuanxiang Zhou is a current PhD candidate in Statistics under supervisors Yi Shen and Yizao Wang.  Yuanxiang completed a Bachelor of Mathematics in Pure Mathematics from the University of Waterloo in 2021, and then obtained a Master of Science in Mathematics from Carleton University in 2023. Yuanxiang's research interests are log-correlated structure, multifractal random measure and multiplicative chaos.