Ian Reid is an endocrinologist and Distinguished Professor at the University of Auckland. His research interests include calcium metabolism, vitamin D, osteoporosis and Paget’s disease. He has worked extensively in the development of the bisphosphonates for use in osteoporosis and Paget’s disease, and also on the safety and efficacy of calcium supplements, vitamin D deficiency and supplementation, and has been involved in development of most new osteoporosis treatments in the last 30 years. He is a past-president of the International Bone and Mineral Society (IBMS) and the Australian & New Zealand Bone & Mineral Society (ANZBMS), and recipient of research awards from the European Calcified Tissue Society, the American Society of Bone and Mineral Research, the ANZBMS and the New Zealand Prime Minister’s Science Prize.