Sir Tooke is Chairman of Academic Health Solutions, a start-up Group offering expert advice to clients internationally on medical research and innovation strategy and health service transformation. He is Senior Independent Director at BUPA Chile and was until 2019 non-executive director of the BUPA main Board and the Chair of the Medical Advisory Council. Sir John was Head of the School of Life and Medical Sciences at University College London (UCL) as Vice Provost (Health) and Academic Director of UCL Partners from 2010 - 2015. He is the Past President of the Academy of Medical Sciences in the UK Sir John is a clinician scientist with 30 years of experience as a consultant physician specializing in diabetes, endocrinology, vascular medicine and internal medicine with research experience (basic biomedical, experimental medicine, and applied health research including improvement science).