John Cawley is an associate professor in the Department of Policy Analysis and Management at Cornell University. His primary field of research is health economics, with a focus on the economics of obesity. He studies the effect of body weight on labor market outcomes such as wage rates, unemployment, employment disability, and the transition from welfare to work. He also investigates the role of body weight in youth behavior, such as skill attainment, smoking and sexual activity. His other research concerns treatments for obesity, such as anti-obesity drugs and bariatric surgery. He is also evaluating workplace and school interventions to prevent or reduce obesity. Other research concerns the impact of food advertising on the consumption of specific branded food items by children and youth.