- Pour une Constitution Mondiale [1] a l'Institut d'Etudes Politiques, Paris, 22 janvier 2004 (http://www.constitution-mondiale.com/ [1])
- National Sovereignty and Universal Challenges: Choices for the World After Iraq" [2], Brussels, Belgium, June 18-20, 2003
- "Governing Globalization: G8, Public and Corporate Governance" [3] at INSEAD, Fontainebleau, France on May 27 2003.
- World Opinion Forum: "The People, the United Nations and World Law" [4], Wednesday, 28th May 10.00 am - 4.30pm, the United Nations Dag Hammarskjold Auditorium