Associate Professor, Brown School. Co-Director, Center for Mental Health Services Research.

Associate Director, Center for Dissemination & Implementation Washington University in St. Louis

Vice President of Population Health and Implementation Science. Professor of Health Promotion and Behavioural Sciences at the University of Texas Health Sciences Center at Houston (UTHealth). School of Public Health, and Director of the Center for Health Promotion and Prevention Research (CHPPR) and Director of the UTHealth Institute for Implementation Science. 

Senior Scientist, Division of Health Services Research and Implementation Science, Kaiser Permanente Southern California Department of Research and Evaluation.

Founding Co-Editor in Chief Emeritus, Implementation Science.