Soma Salim S is a lecturer in Mathematics Education and an active researcher in the field of mathematics education and pedagogy. His research focuses on designing tasks and interdisciplinary projects on sustainability and environmental education. His work aims to support mathematics teachers in achieving Education for Sustainable Development (ESD) for 2030. Furthermore, he has been participated in various prestigious conferences globally, including the 45th and 46th Mathematics Education Research Group of Australasia (MERGA) and the 15th International Congress on Mathematical Education (ICME-15). He is also a member of MERGA and AARE (Australian Association of Research in Education).