Rebecca S. Gruchalla, M.D., Ph.D., is Professor of Internal Medicine and Pediatrics and Director of the Division of Allergy and Immunology at the University of Texas Southwestern Medical Center at Dallas. She also holds the William A. Sellars M.D. and Joyce M. Sellars Distinguished Chair in Allergy and Immunology. Dr. Gruchalla received her PhD and medical degrees from UT Southwestern Medical Center at Dallas. After completing internal medicine training at the Hospital of the University of Pennsylvania and allergy and immunology training at UT Southwestern, she joined the UT Southwestern faculty. Dr. Gruchalla enjoys both her teaching and clinical responsibilities. In addition, much of her time is devoted to research activities in the area of pediatric asthma. She has been leading NIAID-funded inner city pediatric asthma studies since 1994. Dr. Gruchalla currently is participating in the multi-site Inner City Asthma Consortium as project director of the site at UT Southwestern. Dr. Gruchalla also is on the Editorial Board of the Journal of Allergy and Clinical Immunology and is on the Board of Directors of the American Board of Allergy and Immunology.