Rob McConnell is a Professor of Preventive Medicine and the director of Southern California Children's Environmental Health Center at the University of Southern California, where he studies the effects of air pollution on children's health. The role of air pollution in obesity and its metabolic consequences are a major current focus of interest and the theme of the Children's Center. He has examined associations of air pollution with asthma and lung function, autism, obesity and early markers for cardiovascular disease. Other interests include the development of methods for estimating the burden and cost of asthma attributable to air pollution, in particular near-roadway air pollution. He is a fellow of the American Association for the Advancement of Science.