After receiving a PhD from North Carolina State University (USA) in Probability and Stochastic Processes, Thierry started his career in the UK as a lecturer at the University of Westminster, where he founded in 1998 the Health and Social Care Modelling Group and became Professor in 2007. His research interests are around quantitative modelling of management processes, intelligent data driven methods for informed decision making, resource planning and management. Thierry serves on the Editorial Board of various healthcare modelling and analytics journals and has edited several special issues of internationally recognised journals. He is member of the NIHR Peer Review panel and was a member of the EPSRC Peer Review College 1996-2016. He was expert evaluator for the EU FP7 ICT programme in 2013 and the EU4H-2023-DGA-MS-IBA-04 in 2024. Keen promoter of the use of data driven modelling and simulation approaches for the management of healthcare, he is also Chair of the Operational Research Society Health and Social Services Special Interest Group, and founding member of MASHnet, the UK network for Modelling And Simulation in Healthcare.