Justin B. Dimick, MD, MPH, received his medical degree from The Johns Hopkins University and completed his residency in general surgery at the University of Michigan, Ann Arbor. Dr Dimick received a master's degree in public health and completed a fellowship in outcomes research at the Dartmouth Institute for Health Policy and Clinical Practice, Hanover, New Hampshire. Dr Dimick is certified by the American Board of Surgery and practices general and gastrointestinal surgery at the Ann Arbor Veterans Affairs Hospital. He is presently an assistant professor of surgery at the University of Michigan and a research scientist at the Michigan Surgical Collaborative for Outcomes Research and Evaluation. His research, largely focused on developing better quality measures, is currently funded by the Agency for Healthcare Research and Quality. He is an advisor to the Leapfrog Group and the Institute of Medicine on issues related to quality measurement. Dr Dimick also serves on the Measurement and Evaluation committee of the National Surgical Quality Improvement Program and the executive committee of the Surgical Outcomes Club.