 He took up residence in France in 1983, and completed his doctorate in social history and international relations at the University of Paris VIII, where, in 1991, he began teaching political science, sociology and international relations.In 2003 he took up a research position at the Marc Bloch Centre in Berlin, which he maintained until he assumed a professorship at SOAS.Achcar's "The Arabs and the Holocaust", published in 2010, analyzes the collaboration between Arab leaders and the Nazis and the impact of those relationships on modern Arab-Israeli relationships, and, according to Tariq Ali, it dismantles in a scholarly way the simplistic myths that emerged in the wake of the establishment of the State of Israel.