is a University Professor and Director of the Center for Sustainable Development at Columbia University, where he directed the Earth Institute from 2002 to 2016. He is also Director of the UN Sustainable Development Solutions Network and a commissioner of the UN Broadband Commission for Development. He has been advisor to three United Nations Secretaries-General, including current Secretary-General, Antonio Guterres. He spent over twenty years as a professor at Harvard University, where he received his B.A., M.A., and Ph.D. degrees. He has authored numerous
bestseller books. His most recent is A New Foreign Policy: Beyond American Exceptionalism (2018). Sachs was twice named in Time magazine’s 100 most influential world leaders and ranked by The Economist among the top three most influential living economists.