Assoc. Prof. Dr. Nopraenue Sajjarax Dhirathiti, Acting Vice President for International Relations and Corporate Communication together with Assoc. Prof. Palangpon Kongsaeree, Dean, Faculty of Science welcomed Prof. Tony O'Donnell, Executive Dean, Faculty of Science, University of Western Australia, Australia, to the official signing ceremony of a Memorandum of Understanding between Mahidol University and Faculty of Science, University of Western Australia. On this occasion, Prof. Tony O'Donnell had the opportunity to discuss future areas of collaboration with Asst. Prof. Piyawat Katewongsa, Institute of Population and Social Research. This event took place at Chalermprakiat Building, Faculty of Science, Mahidol University, Phaya Thai Campus.