Meet Our Leaders Redefining healthcare requires visionary leadership. At Shirley Ryan ³Ô¹ÏÌìÌÃ91, the best minds in medicine, science and business converge around one goal: To Advance Human Ability. Executive Leadership Team Display Name Pablo Celnik, MD Position Chief Executive Officer View Profile Display Name Nancy E. Paridy Position President & Chief Administrative Officer View Profile Display Name Marcos DeLeon Position Chief People Officer and Senior Vice President View Profile Display Name Laura Ferrio, MBA, MSN, RN, CRRN, NEA-BC Position Chief Operating Officer and Senior Vice President View Profile Richard L. Lieber, PhD Chief Scientific Officer & Senior Vice President of Research View Profile Display Name Daniel O'Mahoney Position Chief Information Officer & Senior Vice President View Profile Display Name Betsy Owens Position Chief Marketing and Innovation Officer & Senior Vice President View Profile Display Name Karen Paciero Position Chief Advancement Officer and Senior Vice President President, Keystone Board View Profile Elliot J. Roth, MD, FACRM Attending Physician, Brain Innovation Center Paul B. Magnuson Professor and Chairman of PM&R, Northwestern University Feinberg School of Medicine View Profile James Sliwa, DO Chief Medical Officer & Senior Vice President of Medical Affairs Chief Quality and Safety Officer View Profile Display Name Jonathan Tingstad Position Chief Financial Officer & Senior Vice President View Profile Body Vice President TeamSarah Babula, Vice President, PathwaysKim Brennan, Vice President, Outpatient/Day RehabilitationKaren Colby, MS, RN, NEA-BC, Vice President, Chief Nursing Officer John Dunkin, Vice President, Strategic AlliancesKatie Hartoin, Vice President, Human ResourcesTim McKula, Vice President & Chief of Research OperationsJoe Raicevich, Vice President, Corporate FinanceJean Vander Sanden, PT, Vice President, Clinical OperationsKelly Cox Watkins, MSN, Vice President, Market Development