MD; MPH; board-certified in preventive medicine. Formerly: worked in India for ten years and was one of a four person UN team that led the World Health Organization smallpox eradication program in India and South Asia; founded Seva Foundation, whose projects have given back sight to nearly 3 million people worldwide through their work to eliminate preventable and curable blindness; co-founded The Well, a pioneering digital community; Professor of International Policy and Epidemiology, University of Michigan; Vice-President, Google and Executive Director, Google.org, the company's philanthropic arm. Member of the Board, Skoll Foundation. Member, Council on Foreign Relations. Author of two books and several scientific articles. Recipient of awards.