Maciej Jakubowski is a researcher in education and labor market and policy advisor. He holds a Ph.D. degree in economics and an MA in sociology from the University of Warsaw, where he works as an assistant professor. Between 2008 and 2012, he has worked for the PISA team at the OECD. Since 2012 served as an under-secretary of state at the Polish Ministry of Education. In 2014, he established Evidence Institute to promote evidence-based practice and support countries in analyzing international student assessments. His academic research focuses on large-scale student assessments and the methodology of policy evaluation.