His primary research interest is in the area of tobacco control, focusing on secondhand smoke health effects, exposure, and policies, cigarette advertising and marketing practices and their effects on youths, and evaluation of tobacco control policies and their impact on youth and adult smoking behavior. His primary teaching is in the areas of mass communication, marketing, and public health advocacy. He is a co-author of the book entitled “Marketing Public Health: Strategies to Promote Social Change,” that grew out of his teaching experience at the School. He has been active in promoting smoke-free bar and restaurant policies throughout the country and has served as an expert witness in several major tobacco litigation cases.