He is well known for his work in international economics. He is among the most influential economists in the world according to IDEAS/RePEc. He graduated from Pennsylvania summa cum laude, Cambridge and MIT. Director of the Center for International and Development Economic Research (CIDER). He joined Berkeley in 1989 as a professor, following appointments at Columbia (1979–1986) and the University of Pennsylvania (1986–1989). He was also a visiting professor at Harvard between 1989 and 1991. He received his Ph.D. from MIT in 1979.Professor Obstfeld serves as honorary advisor to the Bank of Japan's Institute of Monetary and Economic Studies. Among Professor Obstfeld's honors are the Carroll Round Keynote Lecture, Woodward Lecture, and Bernhard Harms Prize and Lecture in 2004. Professor Obstfeld is a Fellow of the Econometric Society and the American Academy of Arts and Sciences. He is active as a research Fellow of CEPR, a research associate at NBER, and an International Research Fellow at the Kiel Institute of World Economics.