David W. Dempster, PhD, is Professor of Clinical Pathology and Cell Biology at Columbia University in New York. He obtained his PhD from the University of Glasgow in Scotland and completed postdoctoral studies in Switzerland and France. Dr. Dempster is a Past President of the International Society of Bone Morphometry and a member of the Scientific Advisory Council of the National Osteoporosis Foundation. He is also a Fellow of the Royal Microscopical Society. Dr. Dempster’s iconic micrographs of osteoporotic bone have been widely reproduced in the scientific and popular press, including being displayed at the Smithsonian Institution in Washington, DC. Dr. Dempster is an Associate Editor of Osteoporosis International, and serves on the editorial boards of the Journal of Bone and Mineral Research, Bone and the Journal of Clinical Densitometry. His research studies have been continuously supported by the National Institutes of Health for the past 25 years. Dr. Dempster has published over 200 research papers on the pathophysiology and treatment of bone disese.