"Advances in Qualitative Research Methods," Informatics Department, University of Pretoria, July 1999.
"Designing Action Learning Environments for Graduate Professional Information Systems Education," Faculty of Management Sciences, University of Pretoria, July 1999.
"Software Process Improvement as Organizational Change," University of Netal, South Africa, June 1998.
"Post Modernism and Information Systems Research: Where does Critical Theory Fit," University of Pretoria, South Africa, June 1998.
"Information Technology and Development in the New South Africa" University of Jyvaskyla, IS Seminar Series, December, 1997.
"Breakdowns and Innovations in Computer Mediated Work: Groupware and The Reproduction of Organizational Knowledge," McGill University, April 1997.
"Breakdowns and Innovations in Computer Mediated Work: Groupware and The Reproduction of Organizational Knowledge," Georgia State University, April 1997.
"Communication Richness in Electronic Mail: Critical Social Theory and The Contextuality of Meaning," University of Jyvaskyla, IS Seminar Series, November 1996.
"Breakdowns and Innovations in Computer Mediated Work: Groupware and The Reproduction of Organizational Knowledge," University of Michigan, Interdisciplinary College of Organization Studies, October, 1996.
"Breakdowns and Innovations in Computer Mediated Work: Groupware and The Reproduction of Organizational Knowledge," University of Jyvaskyla, April 1996.
"A Critical Theory of Information Richness In Electronic Mail," Faculty of Administrative Studies, York University, Toronto, September, 1995.
"Computerizing Dynamic Distributed Work Environments: Group and The Emergence of Virtual Organization Structures," Information Systems Doctoral Seminar, Anderson Graduate School Of Management, UCLA, February, 1995.
"Groupware And The Mediation Distributed Work," Faculty of Information Studies, University of Toronto, January, 1995.
"Reorienting The Groupware Revolution: A Social Theory Framework for Groupware Research," CIS Research Colloquium, Georgia State University, February, 1993.
"A Framework for Organizational Computing Research," The Ph.D. Student Summer Seminar, University of Jyvaskyla, Finland, August, 1992.
"A Critical Theory Approach to Information Systems Research," The Ph.D. Student Seminar, University of Jyvaskyla, Finland, July, 1991.
"Information Engineering as Collaborative Social Action," The Information Systems Seminar Series, State University of New York, Binghamton, NY, April, 1990.
"On the Knowledge Competence of Human Experts: Implications for Expert Systems Development," Research Instituut voor Bedrijfswetenschappen, Delft, The Netherlands, February, 1988.
Invited Paper Presentations at Conferences
"People in A Technology Driven Future: It may be The Best of Times, It may be The Worst of Times," Keynote Address, 1998 IATUL Conference, Pretoria, South Africa, June 1998.
"Analyzing The Information Systems Contribution to The Bottom Line." The 13th Caribbean Computer Conference, Jamaica, October, 1993.
"Information Technology and Social Transformation." The 12th Caribbean Computer Conference, Jamaica, October, 1992.
"Alternative Methods for Information Systems Research."
The
1991 National Ph.D. Student Summer School on Information Systems, Berg
en Dal, The Netherlands, June, 1991.