Jeffrey David Sachs (; Born November 5, 1954) is an American economist, academic, public policy analyst and former director of The Earth Institute at Columbia University, where he holds the title of University Professor. He is known as an expert on sustainable development, economic development, and the fight against poverty.Sachs is Director of the Center for Sustainable Development at Columbia University and President of the UN Sustainable Development Solutions Network.
He is an SDG Advocate for United Nations (UN) Secretary-General António Guterres on the Sustainable Development Goals (SDGs...