Faculty & Fellows The Allergy, Immunology and Rheumatology Division is comprised of full-time and clinical associated faculty, clinical fellows in either an Allergy/Immunology, Rheumalogy or combined fellowship and post-doctoral research fellows. Faculty activities include a full range of adult and pediatric clinical services, basic, clinical and translational research, and the education of students, residents, graduate students and post-doctoral fellows. Full-Time Faculty Associated Faculty Current Fellows Emeritus Faculty John Leddy, M.D. Stephen Rosenfeld, M.D. In Memoriam John Baum, M.D.