Prof. dr. Janssens is an associate professor at Hasselt University Belgium. He teaches a number of courses in the domain of transportation sciences in the Bachelor/Master programme Transportation Sciences at Hasselt University.

Dr. Janssens is also a member of the Transportation Research Institute (IMOB) at Hasselt University, where he is appointed as Program Leader of the Travel Behaviour & Mobility Management research group. His research area of interest is situated within the application domain of advanced quantitative modelling (e.g. data mining), in activity-based transportation modelling and in the analysis of big data. Dr. Janssens has published, as one of the chief editors, a book titled “Data Science & Simulation in Transportation Research” containing some high-level scientific outcomes from several international projects in the domain of transportation and big data. Within IMOB he is the coordinator of a variety of national and international research projects, including several EU projects such as FP7 DATA SIM. Furthermore, Dr. Janssens is a technical reviewers and an advisory board member for a number of national and international projects.