Puja is Director of the Clinical Practice Research Datalink (CPRD) service provided by the Medicines and Healthcare products Regulatory Agency (MHRA). Since 2018 she has been working on the development of high-fidelity synthetic data that could be used to support the regulation of machine learning algorithms in healthcare. Puja trained as a public health specialist and epidemiologist following her initial clinical training and practice. She was then a public health academic working with real-world data for many years before she joined CPRD. She is a fellow of the Faculty of Public Health (UK), a senior fellow of the Higher Education Academy (UK) and holds a PhD in Epidemiology.