Arthur A. Gianelli, FACHE

Chief Transformation Officer, Mount Sinai Health System

headshot of Arthur Gianelli

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 partners with leaders across the Mount Sinai Health System to transform organizational culture, implement best practices, and instill key behaviors to drive improvements in patient experience.   Efforts to transform organizational culture include launching a series of learning academies and spreading the utilization of lean process improvement methodologies across the Mount Sinai Health System.

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 build the first command center in the Health System that leveraged data from Epic to facilitate management of hospital operations. 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 currently serves on the Board of Directors of the Greater New York Hospital Association, Health Leads, HealthIx, and the Mount Sinai Health Partners IPA.  He has previously 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 the Healthcare Leaders of New York’s Award of Distinction, which is given in recognition of sustained and outstanding contributions to the advancement of healthcare administration as a profession.

Mr. Gianelli earned a Bachelor’s Degree in History from St. John's University, a Master of Arts Degree in Political Science from Brown University, a Master in Business Administration Degree from Dowling College, and a Master in Public Health Degree from Columbia University.  He is a Fellow of the American College of Healthcare Executives.  Mr. Gianelli teaches “Issues in Hospital Management” as well as “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.