Andreas R. Ziegler has worked for several years for the Swiss Government (Ministry of Foreign Affairs, State Secretariat for Economic Affairs), the European Commission (DG Internal Market), the Secretariat of the European Free Trade Association (EFTA) and in a law firm in Zurich on trade and investment issues. He is currently a professor of international law at the University of Lausanne (Switzerland) and a Counsel with the law firm of Froriep Rengli. He is on the WTO’s roster of official panelists as well as on the list of conciliators of the International Centre for the Settlement of Investment Disputes (ICSID). He is the Academic Co-Director of the LLM Program in International and European Economic and Commercial Law at the University of Lausanne and a Deputy Director of the NCCR Trade based at the World Trade Institute of the University of Berne (Switzerland). He is a visiting professor at the University of New South Wales (Sydney, Australia) since 1997, at the Swiss Federal Institute of Technology (ETH, Zurich) since 2004 and at the Europe Institute of the University of the Saarland (Saarbrucken, Germany) since 2008. He held similar positions at the Università commerciale Luigi Bocconi in Milan (Italy 2005-7), the University of Vilnius (Lithuania, 2007), the University of Munich (Germany, 2007) and the University of Lund (Sweden, 2008).