United Nations Centre for Human Settlements (Habitat); United Nations Environment Programme (UNEP)(United Nations Centre for Human Settlements (Habitat), 2000-02)
United Nations Environment Programme (UNEP); Ministry of Environment and Natural Resources of Sri Lanka(United Nations Environment Programme (UNEP), 2005-10)
United Nations Environment Programme (UNEP); Government of Jamaica: The Planning Institute of Jamaica; GRID–Europe(United Nations Environment Programme (UNEP), 2010-04)