William A. Haseltine, PhD, is the chair and president of ACCESS Health International, a nonprofit organization he cofounded in 2007. Dr. Haseltine has an active career in both science and business. He was a professor at Harvard Medical School and Harvard School of Public Health from 1976 to 1993, where he was founder and the chair of two academic research departments, the Division of Biochemical Pharmacology and the Division of Human Retrovirology. He is well known for his pioneering work on cancer, HIV/AIDS, and genomics. He has authored more than two hundred manuscripts in peer reviewed journals and is the author of several books, including Affordable Excellence: The Singapore Healthcare Story and Every Second Counts: India’s Emergency Response System.