Ramesh Sharma, Ph.D., is currently working as an Associate Professor of Instructional Design at Ambedkar University Delhi, India. Previously he has served as an Associate Professor of Educational Technology and Learning Resources in the Educational Technology Unit at Wawasan Open University, Malaysia; Visiting Professor at University of Fiji, Fiji; Commonwealth of Learning as Director of the Commonwealth Educational Media Centre for Asia, New Delhi; Indira Gandhi National Open University, India; and University of Guyana, Guyana, South America. He is the co-Editor of the Asian Journal of Distance Education . In addition, he has been associated with peer reviewed journals as Reviewer, Editor and Editorial Advisory Board member in the field of Open and Distance Learning such as Distance Education , International Review of Research in Open and Distributed Learning (IRRODL), International Journal of Distance Education Technologies (IJDET), and Indian Journal of Open Learning (IJOL). He is also on the Editorial Advisory Board and an author for the Encyclopedia of Distance Learning (4 volumes), 2005.