United Nations/Ukraine Workshop on Space Law "Status, Application and Progressive Development of International and National Space Law", Kyiv, Ukraine, 6-9 November 2006
United Nations/Nigeria Workshop on Space Law "Meeting international responsibilities and addressing domestic needs", Abuja, Nigeria, 21-24 November 2005
United Nations/Brazil Workshop on Space Law "Disseminating and developing international and national space law: the Latin America and Caribbean perspective", Rio de Janeiro, Brazil, 22-25 November 2004
United Nations/Republic of Korea Workshop on Space Law "United Nations treaties on outer space: actions at the national level", Daejeon, Republic of Korea, 3-6 November 2003