Professor Emeritus, Finnish Institute for Educational Research

Associate Professor at Indiana University

Lecturer of Public and International Affairs, Princeton University

Professor Emeritus, Department of Mathematics, National Taiwan Normal University

Principal Research Fellow, ACER

Publications Manager

Senior Advisor and Honorary Member of IEA

Private Consultant, formerly with the National Center for Education Statistics, U.S. Department of Education

Director of Research, AlphaPlus Consultancy Ltd.