Diane E. Meier (born April 15, 1952), an American geriatrician and palliative care specialist, is Director of the - a national organization dedicated to increasing the number and quality of palliative care programs in the United States. Meier is also Vice-Chair for Public Policy, Professor of Geriatrics and Palliative Medicine and Catherine Gaisman Professor of Medical Ethics at the Icahn School of Medicine at Mount Sinai Hospital in New York City. Meier was founder and Director of the Hertzberg Palliative Care Institute at the Icahn School of Medicine in New York City from 1997 to 2011.