Zohair Chentouf, Ph.D. is Manager of Development and QA at Dialexia Communications, Montreal, and Adjunct Professor at the Computer and Electrical Engineering Department, University of Sherbrooke. His industrial experience includes VoIP technology, systems engineering, and software design with special focus on service architecturing. In the past, he conducted research in telecommunications software engineering. He has authored many peer-reviewed articles and books of philosophy of science.