He is currently an Instructor in Medicine at Harvard Medical School, an attending physician at the Dana-Farber Cancer Institute, and a postdoctoral research fellow in the laboratory of Dr. Tyler Jacks at the Koch Institute at MIT. Mandar received his medical degree from the Stanford University School of Medicine followed by Internal Medicine residency at the Brigham and Women’s Hospital and oncology fellowship at the Dana-Farber Cancer Institute and Massachusetts General Hospital. He has been pursuing cancer research in the Koch Institute since 2011 and is a former Image Award winner.