professor of psychology, University of Pennsylvania

Professor Emeritus of Psychology, North Carolina State University

Associate Professor of Information Science and Technology, La Roche University

Senior Scientist, Exponent

Assistant Professor for E-Business and E-Government, University of Mannheim

Librarian (WBCSC), Kultali Dr. BR Ambedkar College, under University of Calcutta

Librarian, Univ of Cincinnati and Khalifa University (retired)