Jeffrey D. Sachs
Jeffrey D. Sachs is a world-renowned professor of economics, leader in sustainable development, senior UN advisor, bestselling author, and syndicated columnist whose monthly newspaper columns appear in more than 80 countries. He has twice been named among Time Magazine's 100 most influential world leaders. He was called by the New York Times,
"probably the most important economist in the world," and by Time Magazine "the world's best known economist."