Sander Van Der Leeuwis is a medieval archaeologist and historian.
After teaching at the universities of Leyden (1972-1976), Amsterdam (1976-1985), Cambridge (1985-1995) and Paris I (Panthéon-Sorbonne, 1995-2004), he is currently Foundation Professor and Distinguished Sustainability Scientistwith at the "School of Human Evolution and Social Change" and Director of the ASU-SFI Center for Complex Biosocial Adaptive Systems at the Arizona State University.
Since 2013, he is the annual scientific guest of the LabEx. He brings his look and experience to the OHM network, participates annually in seminars of the LabEx and has already met on their area four of eight observatories.