Professor Emeritus of Distance Education, Athabasca University, Canada

Universidad Central de Venezuela

Professor of Information Systems, UPR-Mayaguez Campus

Professor of Learning Technology and Communication, The Open University

The Open University of Jiangsu (formerly Jiangsu Radio and Television University

Associate Provost for Online Learning; Professor, University at Albany

Professor emeritus, Syracuse University; adjunct professor, LeMoyne College

Professor, University of Montreal

Senior Lecturer, IET, The Open University

Professor, University of California-Irvine