Columbia University Mailman School of Public Health is the only accredited school of public health in New York City and is among the first in the nation. Its students and multidisciplinary faculty members engage in research, both locally and globally, concentrating on biostatistics, environmental health sci- ences, epidemiology, health policy and management, population and family health, and sociomedical sciences. In the field of global health, the Mailman School has played a leadership role in improving delivery of health services through such programs as its Averting Maternal Death and Disability (AMDD) program, its MTCT–Plus Initiative and other AIDS programs, and through its involvement in the UN Millennium Project Task Forces.