President and CEO, Nyack Hospital
After attending Duke University, Dr. Geller received his medical degree from the State University of New York Downstate Medical Center and his degree in Diagnostic Radiology from New York Medical College. He currently serves as CEO of Nyack Hospital where he has practiced since 1997, serving as Radiology Department Chair for 17 years prior to becoming CEO. Dr. Geller is a Diplomate of National Board of Medical Examiners and a Diplomate of American Board of Radiology as well as a member of numerous medical societies including the Radiological Society of North America, The New York Roentgen Ray Society, American Roentgen Ray Society, Rockland County Medical Society, New York State Medical Society, New York State Radiological Society, American Medical Association, American Institute of Ultrasound in Medicine, Society of Radiologists in Ultrasound and the Society of Nuclear Medicine.
Executive Vice President and Chief Population Health Officer, Mount Sinai Health System
Niyum Gandhi is the Executive Vice President and Chief Population Health Officer of the Mount Sinai Health System. In this role, he oversees Mount Sinai’s transition to a system that is inclusive of value and risk-based population health.
Mr. Gandhi's role involves aligning the Health System’s clinical and economic transformations to support Mount Sinai’s vision to be the leading population health manager in the New York market, as well as the best possible partner to the Health System’s broad physician community. Fostering care management and clinical model redesign to ensures that high-value care is delivered by the Health System and its partners. He is also responsible for working to support the delivery of value-based care, and building the Health System’s clinically integrated network – Mount Sinai Health Partners IPA, LLC.
Prior to joining Mount Sinai, Mr. Gandhi served as a partner in the Health and Life Sciences consulting practice of Oliver Wyman in Chicago, where he focused on value-based health care strategy and transformation for physician groups, hospitals, and health plans, and worked with a variety of Accountable Care Organizations (ACOs) and other population health management companies.
Mr. Gandhi holds an AB in economics and finance from Harvard University. He has authored several articles on ACOs, payer/provider partnerships, and physician engagement and serves as a regular conference speaker on a variety of issues related to population health and value-based care.
Senior Vice President, NYU Langone Medical Center
Dr. Kalkut is an infectious disease specialist and Professor, Departments of Medicine and Population Health at NYU Langone Medical Center. He received his medical degree from Boston University School Of Medicine and his Master’s Degree in Public Health from Columbia University. He has been in practice for more than 25 years. Board certified in both internal medicine and infectious diseases, Dr. Kalkut trained at Albert Einstein – Montefiore Medical Center and Alameda County Medical Center before joining NYU Langone Medical Center.
Chief Executive Officer, Central Service Organization
Dr. David Cohen received his undergraduate and medical degrees at the University of Pennsylvania. He also received a Master’s in Epidemiology and Health from McGill University where he was a Robert Wood Johnson Foundation Clinical Scholar.
Dr. Cohen oversaw the development of the Maimonides-led Performing Provider System (PPS) known as Community Care of Brooklyn (CCB), including the establishment of a broad network of providers committed to meeting the needs of Medicaid beneficiaries across Brooklyn, and the successful completion of the DSRIP planning process.
Prior to joining the staff at Maimonides, Dr. Cohen served as Vice President for Medical Operations at the New York City Health and Hospitals Corporation and as Medical Director at Bellevue Hospital Center. He has held academic appointments at Case Western Reserve University, New York University, and The Mount Sinai School of Medicine.
Associate Professor, Columbia University School of Social Work
Dr. Allen, is an associate professor whose research focuses on eliminating health disparities through evidence-based health policy which evolved from her clinical practice in mental health and emergency department social work. She spent several years working in state health policy, focusing on delivery system redesign and coverage expansions. Dr. Allen was a lead investigator on the Oregon Health Insurance Experiment, the first randomized trial to examine the impacts of a health insurance expansion on uninsured adults. She was a 2014-2015 American Political Science Association Congressional Fellow in Health & Aging Policy and a 2017 speaker at TEDMED. Dr. Allen is currently involved in a variety of research projects focused on access to care, quality, and health outcomes for vulnerable populations.