Joseph J. Fennessy, chair of the board of directors of South Nassau Communities Hospital, has been appointed to the American Hospital Association’s Committee on Governance for a three-year term starting January 1, 2014. Fennessy brings over 40 years of experience in healthcare finance and leadership, including key roles at Deloitte & Touche LLP. South Nassau, a leading acute-care teaching hospital in Oceanside, NY, specializes in various medical services and is recognized for its advanced technology and comprehensive care.