- United Nations Development Programme (UNDP),
- United Nations Human Settlements Programme (UN-Habitat).
- United Nations Economic Commission for Latin America and the Caribbean (UNECLAC),
- United Nations Population Fund (UNFPA),
- Convention on Biological Diversity (CBD),
- United Nations Department of Economic and Social Affairs (UNDESA).
- Alfonso Abdo Executive Director For Climate Change CONQUITO Ecuador
- Eleotério Codato National Secretary Of Accessibility And Urban Programs Ministry of Cities Brazil
- Emilia Sáiz Deputy Secretary General United Cities And Local Governments Spain
- Mohammad Bagher Ghalibaf Mayor Of Tehran Municipality Of Tehran Iran (Islamic Republic of)
- Patrick Keuleers Director Governance And Peacebuilding United Nations Development Programme Belgium
- Quazi Baby Executive Director Participatory Development Action Program (PDAP) Bangladesh
- Rebeca Grynspan IBERO-AMERICAN SECRETARY GENERAL IBERO-AMERICAN GENERAL SECRETARIAT Costa Rica