Mehdi Najafzadeh PhD, MSc, MA, is an Assistant Professor of Medicine at Harvard Medical School and a decision scientist in the Division of Pharmacoepidemiology and Phamacoeconomics at the Brigham and Women’s Hospital. Dr. Najafzadeh leads “PREdictive modeling and Decision analysis In Clinical Therapeutics (PREDICT)” work group in the Division. His current research focused on methods for bridging the gap between randomized and non-randomized data sources in medical research, with particular focus on early post-approval phase.