Prof. dr. Tom van Lier is a postdoctoral research associate in the research group MOBI led by Prof. Dr. Cathy Macharis at the Vrije Universiteit Brussel. His work focuses on evaluating the sustainability of transport solutions by means of external transport cost calculations. He has been involved in several research projects dealing with topics such as social cost-benefit analysis of transport options, external cost savings of freight bundling, carbon footprint calculations and life-cycle assessment of transport services. His PhD in Applied Economics Business Engineering (September 2014) focuses on the development of an external cost calculator framework for evaluating the sustainability of transport solutions. Within MOBI, he is also involved in the carbon emission reducing Lean & Green project of the Flemish Institute for Logistics as neutral assessor.