Jenine K. Harris, PhD is an assistant professor of biostatistics at the Saint Louis University School of Public Health and assistant director of Research at the Center for Tobacco Policy Research at Washington University. Her research focuses on using network and systems approaches and organizational network analysis to study collaboration among public health organizations. Her published papers in this area include a review of the use of social network analysis across the field of public health, an examination of how emergency planners across the state of Missouri collaborate to reach their goals, and a study examining the common underlying network structure of collaborations in state tobacco control systems.