Stien Johanna Matakupan’s path as a lecturer in Sampoerna School of Education (SSE) was set by her experiences as a high school science coordinator in an International Baccalaureate schools -Sekolah Ciputra-for 11 years and a facilitator for Environmental Education (EE), Education for Sustainable Development (ESD) and school link program, also a national judge for Adiwiyata School (national green school awards).  In 2001 she has been chosen as a council member of Caretakers of the Environment International, a network of educators who share their experiences and teaching techniques across the world and a contact person in Indonesia for The Time Project-UNESCO Associated School Project.  In SSE Stien teaches Environmental Education and Research Method. Her research interests are EE/ESD integration in school curriculum,  change process in school and experiential learning. Currently, Stien responsible as a coordinator for Education Studies in SSE and also a consultant for Indonesian Ministry of Education to formulate a national action plan for EE.