Holding a Phd in history from the Université Paris 8, his Phd thesis has been published in 2013 (La justice en procès, les mouvements de contestation face au système penal, (1968-1983), Presses de Sciences-po). With Gilles Chantraine, he also published Bastille Nation, French Penal Politics and the Punitive Turn, Red Quill Books, 2013.