Constance Kostelac, PhD is an assistant professor with the Institute for Health and Equity at the Medical College of Wisconsin. She has over 20 years of both academic and applied analysis and research experience related to the criminal justice system on a wide variety of topics and she is now working at the intersection of public safety and public health. Her current interests include violence and overdose prevention activities, various projects surrounding substance misuse, specifically opioids, and the intersection with the criminal justice system. She also focuses on the value of data sharing within and beyond the criminal justice system. Dr. Kostelac has been the lead, research partner or principal investigator on more than 15 federal, state pass-through, and local grants. Prior to joining MCW in 2019 she most recently served as the Director of the Bureau of Justice Information and Analysis with the Wisconsin Department of Justice (DOJ) where she was on the NCJA Board and Advisory Council as the designee for the State Administering Agency (SAA) and was also the Statistical Analysis Center (SAC) Director for the State of Wisconsin. She is currently serving as a regional representative and board member for NCJA. Dr. Kostelac holds a B.A. in Criminology and Law Studies and Psychology, MS in Criminology, and an interdisciplinary PhD in Justice Studies.