Chief of the Division of Allergy and Immunology at Children’s Hospital of Philadelphia, USA

Holds the Frank R. Wallace Endowed Chair in Infectious Diseases

MD and PhD in Immunology & Biochemistry from University of California, San Francisco

Areas of Expertise: Primary Immunodeficiencies, DiGeorge Syndrome, Systemic Lupus Erythematosus (SLE), Chronic Granulomatous Disease, Early Onset Inflammatory Bowel Disease