He served as a visiting Associate Professor of Pediatrics at Harvard Medical School, Boston (2008-2010). Dr. Finkelstein completed medical school at Tel-Aviv University, followed by pediatrics residency at Schneider Children's Hospital. He did medical toxicology training at the Chicago Toxikon, University of Illinois followed by a three-year fellowship in Pediatric Clinical Pharmacology and Toxicology at the Hospital for Sick Children, and is American board-certified in Clinical Pharmacology.