Dr. Douglas Luke is Professor and Director of the Center for Public Health Systems Science at the George Warren Brown School of Social Work at Washington University in St. Louis. Dr. Luke is a leading researcher in the areas of health policy, organizational systems, and tobacco control. Most of the work that Dr. Luke directs at CPHSS focuses on the evaluation, dissemination, and implementation of evidence-based public health policies. During the past decade, Dr. Luke has worked on applying systems science methods to important public health problems, especially social network analysis. He published the first review paper on network analysis in public health, and the first study to employ new statistical network modeling techniques on public health data was published in the American Journal of Public Health in 2010. Dr. Luke’s Center has used network analysis to study diffusion of scientific innovations, to model the formation of organizational collaborations, and to develop a blueprint of state tobacco control programs. Dr. Luke has been the network analysis track lead at NIH’s Institute for Systems Science and Health. In addition to his appointment at the Brown School, Dr. Luke is a member of the Institute for Public Health as well as a founding member of the Washington University Network of Dissemination and Implementation Researchers (WUNDIR). Dr. Luke received his Ph.D. in clinical and community psychology in 1990 from the University of Illinois in Urbana-Champaign.