Graham Williams is Professor of Endocrinology in the Department of Metabolism, Digestion and Reproduction, Imperial College London. He graduated in medicine from St. Thomas’s Hospital in London, trained in clinical endocrinology at the Queen Elizabeth Hospital in Birmingham, UK and undertook research training at Harvard Medical School in Boston, USA. His research focuses on the genetic origins of bone and cartilage disease and molecular mechanisms of thyroid hormone action in the skeleton. He has received many research prizes including from the UK Society for Endocrinology, the European, Danish, American and British Thyroid Associations, and the European Calcified Tissue Society. Professor Williams served as Treasurer (2010-2016) and President (2016-2019) of the UK Society for Endocrinology and President (2011-2014) of the British Thyroid Association. He is currently President-Elect of the European Thyroid Association (2020-2021) and will serve as President of the ETA from 2021-2023. Professor Williams was elected as a Fellow of the Academy of Medical Sciences in 2019.