Eric A. Coleman, MD, MPH, is Associate Professor of Medicine at the University of Colorado. Trained in both geriatrics and health services research, Dr. Coleman has emerged as one of the world's leading authorities on issues surrounding transitions of care, particularly between acute and postacute settings. His care model, the Care Transitions Intervention, is being adopted by leading health care organizations around the country. The Intervention has been associated with significant decreases in rehospitalization rates.