- Assembly and Council of the International Seabed Authority (1995-2000 and 2002-2005)

- Meetings of States Parties to the United Nations Convention on the Law of the Sea (1995-1998, 2005)

- Assembly of States Parties to the Rome Statute of the International Criminal Court (2002-2003)

- International Conference on the Revision of the SUA Convention and Protocol (International Maritime Organization) (2005)

- Various law of the sea and bilateral maritime delimitation negotiations