In New York and with relevance to AE4RIA – Alliance of Excellence for Research and Innovation on Αephoria and PVBLIC Foundation collaboration work on SIDS (Small Island Developing States) resilient economic development, Prof. Phoebe Koundouri had a constructive meeting at the Permanent Mission of Tonga to the UN with H.E. Viliami Va’inga Tōnē, Ambassador of Tonga to the U.S. and Permanent Representative to the UN, and H.E. Dr. Hyginus Gene Leon, Ambassador-at-Large for Saint Lucia and former IMF Senior Official. They discussed the upcoming ECOSOC Partnership Forum Side Event on Transformative Systems Science for Sustainable Development at the UN Headquarters.