Wide range of executive leadership experience in publicly traded and private organizations within a variety of healthcare sectors, including oncology, pharmaceuticals, assisted living/senior housing, home care, physician practice management, surgical centres and dental networks. Former Chief Executive Officer, MKesson Specialty/US Oncology; US Oncology was purchased by McKensson in December 2010; at US Oncology, served in a number of senior executive roles, including Chief Financial Officer, President, Chief Executive Officer and Chairman of the Board. 2011, joined Humana; currently, President and Chief Executive Officer; has led Humana to create an integrated care delivery model centred on improving health outcomes, driving lower costs, enhancing quality, and providing a simple and personalized member experience. Roles with: Business Roundtable; American Heart Association CEO Roundtable; The Aspen Group. Member of the Board of Directors, Keycorp.