He began his international career as a consultant for SRI International and later served the Institute of Systems Science as deputy director, Harvard Business School as future information systems faculty fellow, the United Nations Secretariat as regional adviser for technology transfer and development, and Nanyang Business School as director of its MBA (international business) program. As an IT practitioner, he assisted a wide range of private- and public-sector clients to acquire and implement effective computing and telecommunications solutions to business problems in many countries . His research focuses on the interactions among emerging technologies, various aspects of electronic business, and behavior.