Matt Austin is an Associate Professor at the Johns Hopkins University School of Medicine and a principal faculty member at the Armstrong Institute for Patient Safety and Quality. His research focuses on performance measurement in health care. Matt's current research interests include understanding the role of transparency of quality and safety data in driving improvements in care delivery, measuring disparities in the quality of care, and measuring the diagnostic performance of hospitals. Matt currently provides strategic guidance to The Leapfrog Group on their measurement and public reporting activities.