As a clinician scientist with over 25 years of leadership in using rapidly changing patient and population data resources for research, Harry has contributed to establishing, growing and critically evaluating the field of data science for health nationally and internationally. Harry has published over 250 papers, has an H index of 71 with 28,000 citations. His research is cited in 7 major clinical guidelines and public health policies with implications for the health of millions. His aim is to mobilize insights gained from increasing scale and detail of data for health and healthcare within a framework of public trust. He seeks to execute science and innovation, develop tools and infrastructure and develop new careers, disciplines and talent in data science for health. Harry trained in medicine at Cambridge University, became a member (and subsequently Fellow) of the Royal College of Physicians and Faculty of Public Health and, in recognition of his contributions to the field of data science for health, was Awarded NIHR Senior Investigator in 2017 and Fellowship of the Academy of Medical Sciences in 2019. Harry is Professor of Clinical Epidemiology and Institute Director at the UCL Institute of Health Informatics and Research Director at Health Data Research UK (HDR UK). Harry previously co-founded the world’s first national Institute (the Farr 2013-18) harnessing ‘big’ health record data for research to improve health and healthcare, with £39m of initial investment from ten funders. The combination of these two Director roles results in his overseeing more than 100 staff, 160 post-graduate students and a budget of more than £30 million. With much leadership experience in using EHR data working in clinical and public health institutions, Harry has a unique and extensive understanding of important trends of research, innovation and transformational change as applied to health policy and clinical practice.