Professor, Instructional Systems Technology (IST), Indiana University

Universidad Carlos III de Madrid

Professor, IET, The Open University

Principal Research Scientist, Massachusetts Institute of Technology

Full Professor of Technology Enhanced Collaborative Learning, Open Universiteit

Professor Emeritus of Education, Penn State University

Associate Professor, MIT Comparative Media Studies/Writing

University of Houston

Technical University of Munich and University of South Australia

AMCHSS,SCTIMST