Dr. Ejaz Yousef, MD, FAAI is the Chief of Division of Allergy and Immunology at Nemours Children's Health, Jacksonville. He is also a Courtesy Professor of Pediatrics at the University of Florida College of Medicine - Jacksonville. Before he came to Jacksonville to head the allergy/immunology team, Dr. Yousef was division chief at Nemours/Alfred I. duPont Hospital for Children, and department chair at Marshfield Clinic in Wisconsin. He is an avid researcher, reviewer for influential medical journals, and author or co-author of more than 50 peer-reviewed papers and abstracts.