Jeffrey D. Sachs is a world-renowned economics professor, leader in sustainable development, senior UN advisor, best-selling author, and syndicated columnist. He serves as the director of the Earth Institute, Quetelet Professor of Sustainable Development, and professor of health policy and management at Columbia University. He is special advisor to United Nations Secretary-General Ban Ki-moon on the Millennium Development Goals and held the same position under former secretary-general Kofi Annan. He is director of the UN Sustainable Development Solutions Network, as well as cofounder and director of the Millennium Villages Project. He has authored three New York Times best-sellers in the past seven years: The End of Poverty; Common Wealth: Economics for a Crowded Planet; and The Price of Civilization. His most recent book is To Move the World: JFK’s Quest for Peace.
Ban Ki-moon is the secretary-general of the United Nations, an office he assumed in 2007. Before that he was the foreign minister of the Republic of Korea.