He received his B.A. in political science from Rutgers University in 1988, and his Ph.D. from HarvardUniversity in 1995, and he served for two years as Senior Research Fellow and Visiting Professor at the European University Institute in Florence, Italy. Ernst-Ulrich Petersmann is Professor of International and European Law at the European University Institute, Florence.Ernst-Ulrich Petersmann has an academic affiliation as follows - European University Institute, Florence Professor of International and.