Jeffrey Sachs HONEST INTERVIEW ABOUT NATO ARROGANCE ON RUSSIA, SUPERPOWER WAR IN UKRAINE, CHINA RISEJeffrey David Sachs (/sæks/; born November 5, 1954) is an American economist, academic and public policy analyst. He is the former director of The Earth Institute at Columbia University. He is known as one of the world’s leading experts on economic development and the fight against poverty. Detroit, Michigan, U.S.. . .