Charles O'Brien, Penn Medicine (IMAGE) University of Pennsylvania School of Medicine Caption Charles O'Brien is vice chair of Psychiatry at the Perelman School of Medicine at the University of Pennsylvania and founding director of Penn's Center for Studies of Addiction. Credit Penn Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.