Ronald Tamler is a professor of medicine at the Icahn School of Medicine at Mount Sinai and the director of digital health implementation at Mount Sinai Health System in New York City. He is a board-certified internist, endocrinologist, nutrition-support physician and clinical informaticist and has been listed as a New York Top Doctor for over 10 years. When Covid hit New York City in March of 2020, Dr. Tamler trained over 1,000 doctors to boost video visits 100-fold within 10 days and implemented digital workarounds to improve care inside and outside the hospital.