Mark T. O’Neil, Jr., FACHE
Leadership Development Practice Lead
Mark O’Neil joined Yaffe & Company in 2014 as a Senior Consultant. With thirty years of Healthcare leadership experience, Mark O’Neil provides consulting services in the areas of Leadership Development, Governance, Strategic Planning and Operations improvement.
Mark most recently served as the Chief Executive Officer of Hilton Head Regional Healthcare, a Tenet owned facility in South Carolina. Previously, he served in several leadership positions at Catholic Health East, including President and Chief Executive Officer of Mercy Health System of Southeast Pennsylvania, Executive Vice President of the Mid-Atlantic Division and Corporate Chief Operating Officer. As Chief Operating Officer, he was responsible for coordinating operations of over 100 Health Care facilities in 11 states, with over 46,000 employees and a 4.6 billion dollar operating budget.
Earlier in his career, Mark served as a member of the Senior Management Team at the University of Rochester’s Strong Memorial Hospital where he gained valuable experience in academic medicine and provided leadership for several administrative and support functions. He served as President and Chief Executive Officer of United Health Services in Binghamton, N.Y., where he facilitated the development of an 85 member multispecialty physician group, home care companies, rural hospitals and a long term care facility into the Integrated Health Care System.
Mark’s uncompromising integrity and commitment to excellence have led to board positions with several professional organizations including the Central New York Hospital Association, the Iroquois Healthcare Alliance, VHA of Upstate NY, the Hospital Association of New York, the Catholic Hospital Association of Pennsylvania and the South Carolina Hospital Association. Mark also served on Governor Mario Cuomo’s Health Care Advisory task force and as Chairman of the Board of the Keystone Mercy Health Plan, a Medicaid Managed Care plan serving several states, with over 850,000 members.
An advocate for community service, Mark has served as the Chairman of the Board of United Way and the Chamber of Commerce and volunteered his time as a member of many not for profit and educational organizations throughout his career. Mark’s high-level of community involvement and extensive knowledge of the Health Care environment have made him a frequent guest speaker at community group meetings and events.
Mark received his Bachelors and Masters degree in Business Administration from the Rochester Institute of Technology in Rochester, NY. He is a fellow in the American College of Health Care Executives.
Mark and his wife Ann reside in Hilton Head, South Carolina. They have four daughters and are active members of their community.