He serves as Associate Medical Director for Texas Children’s Health Plan and has previously served as editor of the journal Pediatric Allergy, Immunology, and Pulmonology. He is a member of the AAP Richmond Center Tobacco Consortium as well as a member of the Center's Faculty Expert Panel. He is a co-author of the American College of Chest Physicians Tobacco Dependence Treatment Toolkit 3rd Edition and author of the chapter on Treating Tobacco Dependence in the AAP textbook, Pediatric Pulmonology. With over 25 articles in peer reviewed scientific literature, his research has focused on asthma and the impact of secondhand tobacco smoke on childhood asthma.