Adel Francis is an associate Professor, in the Construction Engineering Department, École de technologie supérieure, ETS, Quebec University. He holds a BS degree in civil engineering (1982), a Master degree in Project management (1992) and a PhD degree in Project Planning and computer management (2004). He is also a Fellow of the Canadian Society of Civil engineer. His primary research interests are focused on visualization, optimization and graphical modeling of project planning. The last decade has been primarily dedicated to the study, analysis, development and implementation of a Chronographic modeling approach for construction operation planning. He has also more than 25 years of relevant industrial relevant experience in the field of construction engineering. Within these years, he worked for public services, consulting engineering groups and general contractor corporations.