Arthur A. Gianelli, FACHE

Chief Transformation Officer, Mount Sinai Health System

Arthur Gianelli headshot

Arthur A. Gianelli is the Chief Transformation Officer for the Mount Sinai Health System. He has worked for the Mount Sinai Health System since February 2014. As Chief Transformation Officer, Mr. Gianelli works to transform organizational culture, implement best practices, and instill key behaviors to drive improvements in patient experience. His responsibilities include overseeing patient experience improvement initiatives across the Health System; working with Health System leaders to improve selected clinical programs and operations; enhancing strategic partnerships with community-based and public sector organizations; increasing access to organizational learning for Mount Sinai leaders and staff; collaborating with Health System leaders to advance the Road Map to Address Racism at Mount Sinai; and helping to oversee Mount Sinai’s International Team and strengthen Mount Sinai’s presence around the world.

During his tenure as President of Mount Sinai Morningside, from 2014 to 2023, Mr. Gianelli and his management team led the hospital to fully embrace Lean as a framework for process improvement, daily management, and cultural transformation; build out a comprehensive ambulatory platform, including several new, state-of-the-art facilities, to support delivery of primary and specialty care to the Upper West Side, Morningside Heights, Harlem, and Upper Manhattan; and built the first command center in the Health System that leveraged data from Epic to facilitate management of hospital operations. Under his leadership, Mount Sinai Morningside has been ranked by Newsweek magazine for three successive years among the “World’s Best Smart Hospitals,” earned a third-place designation nationally from Healthcare Innovations magazine for the use of its Daily Management Center during the COVID-19 pandemic, and saw its Adult Cardiology and Cardiac Surgery Program rise to be the 16th best in the country as determined by U.S. News & World Report®.  Mr. Gianelli won the 2021 Award of Distinction given by Healthcare Leaders of New York, recognizing his sustained and outstanding contribution to the advancement of health care administration as a profession.

From 2006 through 2014, Mr. Gianelli served as President and Chief Executive Officer of NuHealth, a public benefit corporation that runs the Nassau University Medical Center, a nursing home, and co-operates the Long Island FQHC, Inc. Under Mr. Gianelli's leadership, NuHealth earned accolades for stabilizing its finances, improving quality of care and patient outcomes, and modernizing and expanding its services and facilities.

Prior to joining NuHealth, Mr. Gianelli held senior executive positions over a 10-year period for two local governments on Long Island. He was Deputy County Executive for Budget and Finance for Nassau County, and Director of Operations for the Town of North Hempstead. He was responsible for shepherding major fiscal turnarounds in both municipalities.

Mr. Gianelli has served on the Board of Directors of the Greater New York Hospital Association, Health Leads, HealthIx, and the Mount Sinai Health Partners IPA. He has served on the Executive Committees of Healthfirst and America’s Essential Hospitals, and he was a member of Regional Policy Board 2 of the American Hospital Association. He has earned numerous professional, civic, and teaching awards, including recognition as an “Outstanding CEO” and one of the “Most Influential” Long Islanders.

Mr. Gianelli earned a Master of Arts in Political Science from Brown University, a Master in Business Administration from Dowling College, and a Master in Public Health from Columbia University. He is a Fellow of the American College of Healthcare Executives. Mr. Gianelli teaches “Strategic Planning for Healthcare Delivery,” “Issues in Hospital Management,” and “Managed Care and Healthcare Reform” to graduate students at the Mailman School of Public Health at Columbia University and the Icahn School of Medicine at Mount Sinai.