Daniel is a Professor of Health Policy and Management at the Johns Hopkins Bloomberg School of Public Health, where he serves as the Director of the Center for Gun Policy and Research. His primary research interests include the prevention of gun violence, gun policy, youth gun acquisition and carrying, intimate partner violence, and youth violence prevention. Dr. Webster teaches courses in violence prevention and serves as Director of the Johns Hopkins-Baltimore Collaborative for Violence Reduction. He is also director of the Violence Prevention Workgroup of the Bloomberg American Health Initiative.