Professor 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 100 countries. He is the co-recipient of the 2015 Blue Planet Prize, the leading global prize for environmental leadership. He has twice been named among Time Magazines 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 worlds best known economist. A recent survey by The Economist Magazine ranked Professor Sachs as among the worlds three most influential living economists of the past decade.