Karel Martens is a Professor at the Faculty of Architecture and Town Planning. He holds a bachelor and master's degree in Spatial Planning (1986; 1991) and a PhD in Policy Sciences (2000), all from Radboud University (Nijmegen, the Netherlands). Martens is an international expert on transport and justice. He has authored numerous publications on the topic, culminating in his recent book Transport Justice: Designing Fair Transportation Systems, which has been described by colleagues as “ground-breaking” and as “a revolution”. His work has resonated in the academy as well as in practice, as evidenced by numerous invitations for keynote and public lectures, among others in Belgium, Canada, Germany, Israel, Italy, the Netherlands, and South Africa. In 2014, Martens was elected Transport Professional of the Year in the Netherlands, in part because of his inspiring work on transport and justice.