Dr Kevin Carl P. Santos is a Senior Research Fellow at the Assessment, Curriculum and Technology Research Centre (ACTRC). He is an Associate Professor at the Educational Research Area of the College of Education in the University of the Philippines Diliman since 2021. Previously, he was an Associate Professor and Director for Graduate Studies at the School of Statistics UP Diliman. He finished his Ph.D. in Statistics in the same university last 2018. He was a Visiting Research Scholar at the Graduate School of Education in Rutgers The State University of New Jersey (2015-2016) and a Post-Doctoral Fellow at the Faculty of Education, The University of Hong Kong (2018-2019). Additionally, he is a Fellow of the Philippine Educational Measurement and Evaluation Association (PEMEA) and a member of the Philippine Statistical Association Inc., Psychometric Society and National Council on Measurement in Education. His research interests include item response theory, cognitive diagnosis modeling, survey sampling, and secondary analysis of large-scale educational assessments.