Dr. Onder received his undergraduate degree from Washington University. He graduated from Washington University School of Medicine and did his residency in Internal Medicine and fellowship in Allergy and Clinical Immunology at Washington University. He is Board certified in Allergy and Immunology and Internal Medicine. Dr. Onder has experience with conducting research and is president of Midwest Clinical Research, which performs clinical trials at the Creve Coeur location. He is a Fellow of the American Academy of Allergy, Asthma, and Immunology and the American College of Allergy, Asthma and Immunology. He is Assistant Professor of Clinical Medicine at Washington University School of Medicine. He is also a member of the Association of Clinical Research Professionals and has published articles in journals including the Journal of Allergy and Clinical Immunology and Missouri Medicine.

Dr. Stauder received his undergraduate degree from Saint Louis University. He graduated from Saint Louis University School of Medicine and did his residency in Internal Medicine at Saint Louis University and fellowship in Allergy and Clinical Immunology at the University of Cincinnati. He is Board certified in Allergy and Immunology and Internal Medicine. Dr. Stauder has experience with conducting research and assists in conducting clinical trials at Midwest Clinical Research. He is a member of the American Academy of Allergy & Immunology, the American Medical Association, and Missouri State Medical Association. Dr. Stauder is also a published author.