Martin Lenz is full professor of philosophy at the Department of History of Philosophy in the Faculty of Philosophy at the University of Groningen (NL), specializing in early modern and medieval philosophy. He has conducted several postdoc projects in Cambridge (2002-2004) and Berlin (2004-2009). After his Habilitation (HU Berlin 2009), he held a visiting professorship in theoretical philosophy at the University of Tübingen (2009-2010) and was director of the Leibniz-Prize research group founded by Dominik Perler (HU 2010-2012).