Ashley Grossman, MD, FRCP, is Professor of Endocrinology at Green Templeton College at the University of Oxford in the United Kingdom. He is a co-author of Endocrinology, 8th Edition. Dr Grossman graduated with a BA in Psychology and Social Anthropology from the University of London and then entered University College Hospital Medical School in London and took the University Gold Medal. Dr Grossman is an international expert in endocrine tumours, including adrenal and pituitary tumours and neuroendocrine tumours, as well as all types of endocrine diseases such as thyroid and parathyroid disorders, reproductive disorders, and other hormone-related problems. He has access to all relevant forms of investigative procedures, CT, MRI, and radionuclide techniques.