2022 – 2025 - Head of Department, Department of Statistics, University of Oxford

2018 – present - Professor of Applied Statistics, University of Oxford

2002 – present - Professor of Statistical Epidemiology, Imperial College London

2000 – 2002 - Reader in Epidemiological Statistics, Imperial College London

1995 – 2000 - Head of Statistics Unit (Reader in Statistical Epidemiology in 2000), Wellcome Trust Centre for the Epidemiology of Infectious Disease, University of Oxford

1998 – 2000 - Lecturer in Biology, St Catherine’s College, University of Oxford

1992 – 1995 - Lecturer in Statistics, University of Edinburgh

• Infectious disease epidemiology and control
• Real-time outbreak analysis and response
• Disease transmission dynamics
• Science-policy interface