Leonard Calabrese is an American rheumatologist, an osteopathic physician, and an internationally recognized HIV/AIDS and hepatitis C researcher at the Cleveland Clinic.
[3][4][5] He is also a medical professor at the Cleveland Clinic Lerner College of Medicine.
[3][5] Over the course of his academic research career, Calabrese has authored more than 300 publications including book chapters and peer-reviewed journal articles.
[5][6] Calabrese attended Cathedral Preparatory School in Erie, Pennsylvania then went on to complete his undergraduate education at John Carroll University in 1971.
[3][4] After finishing medical school, he completed his internal medicine residency and rheumatology fellowship at the Cleveland Clinic.