Dr. Katie Marks-Cogan is board certified in Allergy/Immunology. She received her M.D. with honors from the University of Maryland, completed her residency in Internal Medicine at Northwestern and her fellowship in Allergy/Immunology at the prestigious University of Pennsylvania/Children’s Hospital Philadelphia (CHOP). She resides in Southern California where she is the owner of Clear Allergy and the Chief Allergist for Ready, Set, Food!. She has numerous media appearances and has authored many articles pertaining to topics in the field of allergy. In her spare time she enjoys hiking and cooking with her husband and 2 young children.