David Singh is a practicing electrophysiologist in the State of Hawaii, and more recently in Northern California with a passion for film. He is very proud to have supported Zoe Eisenberg in her solo directorial debut for the film Chaperone. College Major Theology. Georgetown University Medical School. University of California San Francisco Internal Medicine. Cedars Sinai Medical Center General Cardiology. University of California San Francisco Clinical Electrophysiology. Chief of Electrophysiology, The Queen's Medical Center, Honolulu HI. Electrophysiologist, El Camino Hospital Mountain View CA. CEO The Melvin Scheinman Educational Rhythm Foundation