The Conference of Boston Teaching Hospitals (COBTH) is the coalition of 14 Boston area hospitals, all of which are teaching institutions. COBTH's mission is to maximize the Boston teaching hospitals' visibility on the issues that are fundamental to their unique missions of teaching and research. COBTH educates opinion leaders at all levels about the contributions of its members to the area's health and economy. In coalition with business organizations, COBTH advocates for policies favorable to academic medicine and the economy of the Commonwealth.