Theo gained his PhD in model selection techniques for Bayesian point-referenced spatial and spatiotemporal models at the University of Southampton in 2024. He is currently working with WorldPop on projects investigating healthcare and immunization inequities in low- and middle-income countries.

He received his Bachelor of Science (BSc) in Applied Mathematics and Statistics at Coventry University and his Master of Science (MSc) in Statistics at the University of Southampton.

During his PhD studies, Theo was been involved with teaching roles such as demonstrating in technical lab sessions and leading problem classes for various undergraduate mathematics and statistics modules. His involvement with WorldPop began early in his PhD career as a research assistant. He participated in a year-long project led by Professor Andy Tatem that investigated Facebook’s mobility data during the height of the COVID-19 pandemic.