Jeffrey D. Sachs is a world-renowned professor of economics, leader in sustainable development, senior U.N. advisor, bestselling author, and syndicated columnist whose monthly newspaper columns appear in more than 100 countries. He has twice been named among Time Magazine’s 100 most influential world leaders. Professor Sachs serves as the Director of The Earth Institute, Quetelet Professor of Sustainable Development, and Professor of Health Policy and Management at Columbia University. Sachs has authored three New York Times bestsellers in the past seven years, including "The End of Poverty." A native of Detroit, Michigan, Sachs received his B.A., M.A., and Ph.D. degrees at Harvard.