Karen Coleman, PhD. is a Professor of Health Systems Science and serves as a Research Mentor. Her research focuses on the behavioral, social, and environmental determinants of success after weight loss surgery, as well as the study of implementation of evidence-based practices for depression treatment and suicide prevention in large health systems. She directs one of the largest weight loss registries in the United States that is used for both patient care and research, as well as a population management registry for the Kaiser Permanente Southern California depression care management program. She has authored or co-authored more than 150 peer-reviewed research manuscripts and has previously taught and lectured at San Diego State University Graduate School of Public Health, University of Texas at El Paso Department of Psychology, State University of New York at Buffalo, and the University of Georgia.