Dr. Guerrerio obtained her undergraduate degree from the University of Iowa and went on to enter the Medical Scientist Training Program at Johns Hopkins where she completed medical school and a Ph.D. in Human Genetics.  She also did her pediatric residency and subspecialty training in Pediatric Allergy/Immunology at Johns Hopkins and joined the faculty in 2009.  Her research interests include the pathophysiology of food allergy and the mechanism of oral tolerance.

Dr. Guerrerio received his medical degree and Ph.D from the Johns Hopkins University School of Medicine. He completed his residency in pediatrics and did a fellowship in pediatric gastroenterology at Johns Hopkins and then joined the faculty in 2009. Dr. Guerrerio's clinical practice focuses on eosinophilic intestinal disease (esophagitis, gastroenteritis, and colitis) as well as inflammatory bowel disease especially in the context of immunodeficiency. He has a special interest in intestinal problems of those affected by LDS.