Savrin is a Physics Teacher Trainer of the National Institute of Education, Cambodia. He is currently a doctoral student of the Cooperative Doctoral Course in Subject Development of the Aichi University of Education and Shizuoka University. He has various experiences in the Education field, such as a high school director, a national trainer, an educational researcher, a data analyst, a high school teacher. His academic and working experiences cover a range of educational issues ranging from early childhood education to higher education. He received a Master of Education from Hiroshima University, Japan. He was trained in statistical analysis during his master course and later by the Korea Institute of Curriculum and Evaluation (KICE), specifically on student assessment evolving with test and test item development and analysis.