Meet Our Team

Dr. Walter is an immunologist and allergy specialist in the USF Pediatric Allergy/Immunology Program at Johns Hopkins All Children's Hospital. She is an associate professor of pediatrics in the University of South Florida Morsani College of Medicine and the Robert A. Good Endowed Chair in the USF Division of Pediatric Allergy & Immunology. Dr. Walter's research interest is to better understand diseases associated with the immune system and to define strategies for the early detection of susceptible individuals and novel approaches for treatment.

Dr. Leiding is an immunologist and allergy specialist for the USF Pediatric Allergy/Immunology Program at Johns Hopkins All Children's Hospital and the University of South Florida (USF) Morsani College of Medicine, where she is an associate professor of pediatrics. Dr. Leiding's research interests include understanding the etiology of auto-inflammation in chronic granulomatous disease and primary immunodysregulatory disorders. Dr. Leiding has specific clinical expertise in the diagnosis and treatment of patients with chronic granumolmatous disease and primary immunodeficiencies associated with immunodysregulation particularly patients signal transducer and activator of transcription (STAT)–gain of function (GOF) mutations.

Dr. Sher is an allergy and immunology specialist for the USF Pediatric Allergy/Immunology Program at Johns Hopkins All Children's Hospital and the University of South Florida Morsani College of Medicine, where he is a professor of pediatrics and internal medicine. Dr. Sher earned his medical degree from Northwestern University. He trained as a pediatric resident at Duke University and Boston Children's Hospital. He completed a fellowship in adolescent medicine at Boston Children's before completing fellowships in pediatric rheumatology and allergy and immunology at the University of Michigan Medical School.

Dr. Sriaroon is an associate professor of Pediatrics at the University of South Florida (USF) Morsani College of Medicine. She is the medical director of the outpatient USF Allergy/Immunology clinic at Johns Hopkins All Children’s Hospital and the director of the USF Pediatric Allergy/Immunology fellowship training program. Dr. Sriaroon teaches medical students, residents and fellows and sees patients with various allergic and immunologic conditions. Her clinical and research interests include food allergy and primary antibody immunodeficiency. She has authored several peer-review articles and has ongoing clinical trials on food allergy and immunoglobulin therapy.