Professor Emeritus

Professor of Instructional Systems Technology, Indiana University

Professor of Education, University of Auckland; Academica University of Applied Sciences …

Professor of Educational Psychology and Educational Technology, Michigan State …

University of New South Wales, Sydney

Associate Dean of Strategic Partnerships, Preparation & Growth and Professor of Bicultural

Korea National University of Education

University of Fribourg (Switzerland)

Professor of mathematics education, University of Stavanger

Ruhr Universität Bochum