Professor Emeritus Dr. Chanita Rukspollmuang represented Siam University in the 9th International Workshop on UI GreenMetric World University Rankings (IWGM 2023), “Innovation, Impacts and Future Direction of Sustainable Universities” organized by UI GreenMetric World University Rankings Network (UIGWURN) during June 15-17, 2023. Almost 200 members of the UI GreenMetric World University Rankings Network from around the world participated in the venue held at the University of Minho, Braga Portugal. All were warmly welcomed by Rector of the University and Professor Dr. Ir. Riri Fitri Sari MM MSc. Chairperson, UI GreenMetric World University Rankings and her team