Ernst Ulrich Petersmann is Emeritus Professor of International and European Law at the European University Institute at Florence (Italy) and former head of its Law Department. Over 35 years, he has combined academic teaching at Universities in Germany, Switzerland, Italy, the USA and Asian countries with practising international economic law as legal adviser to the German Ministry of Economic Affairs, GATT and the WTO, German representative in - and legal consultant for - European and UN institutions, and as secretary, member or chairman of GATT and WTO dispute settlement panels.