Research fellow

GERMANY

Max Planck Institute for Foreign Law and Private International Law, Hamburg (1992, 1994, 1996, 1999, 2002, 2004, 2006, 2007)

ITALY

UNIDROIT, Rome (2002)

LUXEMBURG

Max Planck Institute Luxembourg for International, European and Regulatory Procedural Law (2017)

NETHERLANDS

Hague Academy of International Law, The Hague (2013)

SWITZERLAND

Swiss Institute of Comparative Law, Lausanne (1990, 1998, 2001, 2003, 2005)

UNITED STATES

Columbia University, New York (2000), Organization of American States, Washington DC (1992)