In both the past and present, and in virtually every world region, widely varied religious actors play crucial roles in health care. Faith institutions and groups run clinics, hospitals, and facilities that support families, orphans, handicapped people, the mentally ill, and older people. In communities, leaders and individuals communicate vital messages about health and provide sustained, hands-on care for the sick. Yet many international health institutions and some governments have paid scant attention to faith-inspired organizations (FIOs), and their potential impact has not been tapped in any systematic fashion. This program highlights the work of faith-inspired health actors to better understand their motivation, strengths, areas for growth, and collaboration with larger health systems.