| 1971 | Universität Bern, Rechts- und Wirtschaftswissenschaftliche Fakultät, lic. Iur. |
| 1978 | Dr. iur. |
| 1979-1981 | Alexander von Humboldt-Stipendiat am Max-Planck-Institut für Internationales Immaterialgüterrecht in München |
| 1982 | Habilitation an der Universität Zürich |
| 1987 | Ordinarius für Privat-, Handels- und Wirtschaftsrecht an der Universität St. Gallen |
| seit 1990 | Direktor des Instituts für Europäisches und Internationales Wirtschaftsrecht an der Universität St. Gallen |
| 1989-1990 | Gastprofessor an der Universität Genf |
| 1993-2005 | Visiting Professor for International and European Law an der University of Texas School of Law |
| 1990-1994 | Berater der Fürstlichen Regierung des Fürstentums Liechtenstein in Fragen des Europarechts |
| 1994-1995 | Mitglied des Obersten Gerichtshofs des Fürstentums Liechtenstein |
| seit 1995 | Richter am EFTA-Gerichtshof, Luxemburg |
| seit 2003 | Präsident des EFTA-Gerichtshofs, Luxemburg |
| 1979-1986 | Teaching Assistant, University of New Orleans, Louisiana |
| 1986-1992 | Senior Reporter, Editor of the Editorial Pages, The Nation (English-language daily in Bangkok) |
| 1993-1996 | Assistant Director, Political and Security Cooperation, ASEAN Secretariat |
| 1999-2006 | Special Assistant to the Secretary-General of ASEAN, ASEAN Secretariat |
| since 2006 | Special Assistant to the Secretary-General of ASEAN and Director of Research, ASEAN Secretariat |
| 1978 | Dr. jur., University of Innsbruck |
| 1979 | Diploma in International Relations, Johns Hopkins University, School of Advanced International Studies, Bologna Center |
| 1981 | Research Assistant, UNHCR - United Nations High Commissioner for Refugees, Geneva; Certificate International Court of Justice, Research Session, The Hague |
| 1982-1985 | Austrian Deputy Trade Commissioner for Western Africa, Abidjan |
| 1985-1989 | Austrian Deputy Trade Commissioner for Japan, Tokyo |
| 1985 | Diplôme de Hautes Etudes Internationales, IHEID - The Graduate Institute of International and Development Studies, Geneva |
| 1990-1992 | Counsellor, Economic Affairs, Austrian Permanent Mission to the GATT - General Agreement on Tariffs and Trade, Geneva |
| 1992-1997 | Deputy Director General, Department for European Integration and Trade Policy, Austrian Federal Economic Chamber, Vienna |
| 1995-1998 | Co-Chair (trade) of the Joint Session of Trade and Environment Experts, OECD, Paris |
| 1996 | Panelist of a WTO Dispute Settlement Panel (US/Canada - Split Run Editions) |
| 1997-1998 | Minister-Counsellor, Head of the Industrial and Commercial Affairs Section, Permanent Representation of Austria to the EU, EESC Counsellor - European Economic and Social Committee of the EU, Brussels |
| 1998-2002 | Counsellor, ASEM - Asia-Europe Meeting, European Commission, Directorate-General for External Relations, Brussels |
| 2002-2007 | Minister, Deputy Head of the Delegation of the European Commission to Japan, Tokyo |
| 2005 | Adjunct Professor for International Politics, University of Innsbruck (Dozent f. internationale Politik) |
| 2007-2011 | Ambassador of the European Union to Switzerland and the Principality of Liechtenstein, Bern |
| 2012-2016 | Principal Advisor, Asia-Pacific Department, European External Action Service (EEAS), Brussels |
| since 2017 | Ambassador of the European Union to the Republic of Korea, Seoul |
| 1974-1979 | The University of Tokyo, Faculty of Law, LL.B. Degree |
| 1979-1981 | The Legal Research and Training Institute, Tokyo, Practical Training |
| 1981-1987 | Attorney at Law in Tokyo, Japan. Court litigation on behalf of corporations and individuals, negotiation and drafting of contracts |
| 1987-1988 | Cornell Law School, Ithaca, New York, LL.M. Degree |
| 1988-1994 | Senior Associate with De Bandt, van Hecke & Lagae, Brussels. Practice in corporate law as well as the European Community Law including competition law |
| 1990-1993 | Katholieke Universiteit Leuven, Faculty of Law, Leuven, LL.M., degree cum laude |
| 1994-1996 | Associate Professor of Yokohama National University, Graduate School of International & Business Law in Kanagawa, Japan. In charge of European Community Law |
| 1996-2004 | Professor of Waseda University, School of Law in Tokyo. In charge of European Union Law and International Business Transactions |
| since 2004 | Professor of Waseda Law School in Tokyo. In charge of European Union Law, European Competition Law, Current developments of Japanese Law, Professional Responsibility and Civil Justice Clinic. Former Director of the Waseda Law School, Legal Clinic L.P.C |
