James F. Sallis, PhD, is Distinguished Professor Emeritus in the Department of Family Medicine and Public Health at University of California, San Diego and Professorial Fellow at Australian Catholic University in Melbourne. His doctorate in clinical psychology is from Memphis State University (now University of Memphis). His primary research interests are promoting physical activity and providing evidence to guide policy and environmental strategies to improve physical activity, sedentary behavior, nutrition and obesity. His health improvement programs have been studied and used in health care settings, schools, universities and companies. From 2001-16 he was director of Active Living Research that managed a $27M research budget that supported 250 projects. He co-leads the International Physical Activity and Environment Network that is coordinating studies across 20 countries. He is an author of over 700 scientific publications and is one of the world’s most cited authors in the social sciences. Thomson-Reuters/Clarivate Analytics identified him as one of the world's most creative scientific minds 2014-16. He is a member of the US National Academy of Medicine and received a Lifetime Achievement Award from the President's Council on Fitness, Sports, and Nutrition. He is past-president of the Society of Behavioral Medicine and member of the National Academy of Medicine.