Benjamin Loevinsohn is a Canadian physician and a lead public health specialist at the World Bank which he joined in 1999. He is chief of health, nutrition, and population in the Nigeria country office after being cluster leader for West and Central Africa. He worked for many years as team leader for health sector activities in Afghanistan and Pakistan. Prior to joining the World Bank, Dr. Loevinsohn worked as a senior health specialist at the Asian Development Bank (1993-1999), advisor to Philippine Department of Health (1990-1993); Technical Officer, UNICEF, Sudan (1987-1989); and Primary Care Physician, Government of Nicaragua (1984-1985). Dr. Loevinsohn did his medical training at McMaster University in Canada and studied public health at Harvard University. He is the author of more than 25 articles in peer reviewed journals. He is an adjunct professor at Johns Hopkins University. His particular interests are in monitoring and evaluation (M&E), contracting for health service delivery (he is the author of a book on contracting entitled “Performance-Based Contracting for Health Services in Developing Countries – A Toolkit”), results-based financing, and health system strengthening in post-conflict settings.