Family physician and health management specialist with 30 years in global health and development. Interests include health systems development; strengthening health systems for AIDS, family planning, other key areas; impact assessment; essential medicines. President & CEO, Management Sciences for Health (MSH), an international NGO. With team in Africa, Asia, and Latin America, MSH builds local capacity in public, NGO, and faith-based health services, to achieve greater health impact through stronger health systems. MSH works in HIV&AIDS, primary care, family planning, TB, malaria. Served as director of essential medicines for the World Health Organization for nearly a decade, during which we established the WHO prequalification system for generic AIDS medicines and contributed to WHO's 3 by 5 campaign. Have carried out assignments in over 30 countries in Africa, Asia, Latin America, and the Middle East. Senior editor of Managing Drug Supply, co-author of the 2002 Financial Times Guide to Executive Health; and author/co-author of over 60 other books, articles, and chapters. On faculty of Harvard Medical School and Boston University School of Public Health.