Tyler Mason, Ph.D., is an Associate Clinical Professor in theDepartment of Population and Public Health Sciences at theUniversity of Southern California and Associate Director of theReal-Time Eating Activity and Children's Health (REACH) lab.Broadly, his research interests include the etiology and treatmentof eating disorders and obesity. He is also interested in ecologicalmomentary assessment methodology and using EMA tounderstand a variety of physical and mental health problems.