Sian Dennett

Healthcare Data Science CDT student

About Me

I am a second year DPhil student on the Healthcare Data Science CDT. My research is currently focused on understanding and modelling the complex influences of climate, demographic and environmental factors on the recent dengue epidemics in Brazil. I enrolled in the EPSRC-funded Healthcare Data Science CDT in 2024 after completing my undergraduate Master's in Mathematics and Statistics at Balliol College and joined the department in October 2025 to start my DPhil research. In my spare time I love to play sports, get outdoors, and enjoy spending time with my friends.

Research Interests

  • Infectious disease epidemiology
  • Mosquito-borne diseases
  • Mathematical and statistical modelling

Contact Details

Email: sian.dennett@keble.ox.ac.uk

Office: 2.11

Pronouns: she/her

Lorenzo Tarricone

DPhil in Statistics student

About Me

I completed my undergraduate degree in Milan, studying Mathematical and Computing Sciences for Artificial Intelligence at Bocconi University. I then earned an MSc in Computational Biology and Bioinformatics at ETH Zürich.

 

I now work with the Oxford Protein Informatics Group (OPIG) and EIT Oxford to develop protein-design tools for self-assembling protein nanoparticle (PNP) vaccines. These platforms have shown promising results for multi-year influenza protection and in candidates against HIV. By leveraging the flexibility and speed of in silico design, our aim is to deliver more effective vaccines and therapeutics to patients, faster.

Research Interests

  • Protein Design
  • BioML
  • Generative Models
  • Computational Biophysics

Contact Details

Email: lorenzo.tarricone [at] ox.ac.uk

Office: 2.17 - 9

Pronouns: He/Him

Shona Brophy

DPhil in Statistics student

About Me

[e.g. educational background, biographical details]

Research Interests

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Research Groups

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Supervisor

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Leoni Wirth

Postdoctoral Research Associate

About Me

I am a Postdoctoral Research Associate in the group of Gesine Reinert. I recently completed my PhD at the University of Göttingen under the supervision of Dominic Schuhmacher and Gesine Reinert. My research focusses on the study of spatial random graphs using Stein’s method, kernelized Stein discrepancies and tools from spatial stochastics. I am furthermore interested in differential privacy. 

For additional information, please visit my personal website.

Research Interests

  • Spatial random graphs
  • Stein’s method
  • Goodness-of-fit testing
  • Differential privacy 

Contact Details

Email: leoni.wirth@stats.ox.ac.uk

Office: 1.02

Pronouns: She/Her

Research Groups

Dr Eugenio Clerico

Florence Nightingale Bicentenary Fellow

About Me

I'm currently a Florence Nightingale Bicentenary Fellow at the Department of Statistics in Oxford. Until the end of October 2025, I was a post-doctoral researcher in the AI&ML group at the Universitat Pompeu Fabra in Barcelona, advised by Gergely Neu. Before that, I completed my PhD in Statistics at the University of Oxford, supervised by Arnaud Doucet and George Deligiannidis. You can find my thesis here.

Research

My research lies at the intersection of statistics and probability, with a focus on hypothesis testing, statistical learning theory, and online learning. In particular, I have been working on sequential testing via e-values, the generalisation and expressiveness of over-parameterised models, and mean and parameter estimation. Check here for more details and here for an updated list of my publications.

Contact Details

Email: eugenio.clerico@gmail.com

Office: 2.02

Personal website: eugenioclerico.me

João Luiz de Oliveira Madeira

Florence Nightingale Bicentenary Fellow

About Me

I am currently a Florence Nightingale Bicentenary Fellow in the Department of Statistics at the University of Oxford. My research lies at the interface of stochastic analysis, mathematical biology, and partial differential equations (PDEs). Much of my recent work has focused on interacting particle systems motivated by models from population genetics, investigating both their scaling limits and the biological interpretation of these limiting behaviours.

Research Interests

  • Interacting particle systems and their scaling limits 

  • Population genetics

  • Mathematical biology

  • Partial differential equations (PDEs)

  • Statistical Genetics

Contact Details

Email: joao.deoliveiramadeira@stats.ox.ac.uk

Office: 3.05

Pronouns: He/Him/His

Dr Cathal Mills

Florence Nightingale Bicentenary Research Fellow

About Me

I am a Florence Nightingale Research Fellow and I develop methods for modelling infectious diseases in resource-limited settings, with an overall objective to advance scientific understanding, inform policy, and benefit global health. 

Throughout this research, a key question is understanding when, where, and why infectious diseases spread. To respond and plan accordingly, decision-makers need such information in a timely and reliable manner. The power of modelling lies in the ability to provide such information, and therefore, I focus on methods that can i) learn from the past, ii) monitor the present, and iii) plan for the future.

Often focusing on climate-sensitive infectious diseases in low- and middle-income countries, I develop interdisciplinary methods which blend theory and knowledge from across maths, statistics, and AI. These methods often integrate heterogeneous models, data, and theory from across branches of science, and are grounded in practical public health objective of providing actionable information for decision-makers. 

Research Interests

Mathematical biology, global health,  mosquito-borne diseases, forecasting and forecast evaluation

Publications

Contact Details

Email: cathal.mills@stats.ox.ac.uk

Office: 2.05

Dr Ka Man (Ambrose) Yim

Postdoctoral Research Associate

About Me

  • I am currently a postdoc mentored by Prof Gesine Reinert, working on applications of Stein's method and topological data analysis to machine learning within the Erlangen AI Hub on the Mathematical Foundations of AI.

  • Previously, I was a postdoc at Cardiff University in the Geometry, Algebra, Physics, and Topology group of the School of Mathematics, mentored by John Harvey between 2023 - 2025. 

  • I obtained my DPhil in Mathematics at Oxford in 2022 (supervised by Vidit Nanda and Peter Grindrod CBE), as a part of the Industrially Focused Mathematical Modelling CDT. 


Further information about my research interests and publication list can be found on my personal webpage:

Research Interests

Topological data analysis (TDA) is about understanding the shape of data. I focus on the following themes within TDA. 

  • Morse theory (smooth, algebraic, and topological)
  • Machine Learning on Graphs and spectral properties
  • Data Analysis on non-Euclidean manifolds
  • Estimating Properties of Shapes from Samples

Contact Details

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Office:

Pronouns:

Personal website: www.kmyim.com

Research Groups

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