Thomas Tsai, MD, MPH is a research associate in the Department of Health Policy and Management at Harvard School of Public Health and a general surgery resident at Brigham and Women’s Hospital. His research focuses on understanding variations in health care spending and outcomes in order to evaluate the impact of health policy efforts. Using national Medicare claims data, his work has included understanding the relationship between hospital quality and readmissions; patient experience as a measure of quality; and racial and socioeconomic disparities in readmission rates. His recent focus is on achieving value in the Medicare system with projects focused on bundled payments and variations in utilization of post-acute care. Dr. Tsai is actively involved in surgical quality improvement efforts on the Governing Council of the Massachusetts chapter of the American College of Surgeons, the Surgery Quality Improvement Committee at Brigham and Women’s Hospital, and on the Quality Integration Committee of the Commission on Cancer. He received his undergraduate degree from Harvard College, his M.D. from Stanford University School of Medicine, and his M.P.H. from Harvard School of Public Health.