Jeffrey David Sachs is an American economist and Director of The Earth Institute at Columbia University. One of the youngest tenured economics professors in the history of Harvard University (at age 28), Sachsbecame known for his role as an adviser to Eastern European and developing country governments during the transition from communism to a market system or during periods of economic crisis. Subsequently he has been known for his work on the challenges of economic development, environmental sustainability, poverty alleviation, debt cancellation, and globalization.
Sachs has authored three New York Times bestsellers: The End of Poverty (2005), Common Wealth (2008), and The Price of Civilization (2011). His most recent book isTo Move the World: JFK's Quest for Peace (2013). He has been named one of Time Magazine's "100 Most Influential People in the World" twice, in 2004 and 2005.