I am a Senior Investigator Statistician at the MRC Biostatistics Unit, University of Cambridge.  I graduated in Mathematics, followed by a PhD in Biostatistics, from the University of Cambridge, and then worked as a Research Associate at Imperial College London. My work involves development and application of statistical methods to inform health policy decisions, commonly through simulation modelling. My research interests include Bayesian evidence synthesis methods for combining diverse sources of data, methods for quantifying and propagating uncertainty, Value of Information approaches for prioritising research, survival modelling, longitudinal modelling and multi-state modelling. I have developed several statistical software packages, including “msm” for multi-state modelling and “flexsurv” for flexible survival modelling, in R. I regularly teach short courses in Bayesian modelling.  I am a member of the Editorial Board of Medical Decision Making.