Henri Agresti is a French mountain guide, linguist, filmmaker and teacher at ENSA. With his wife, Isabelle, professor of classics, they formed a high-level mountaineering team to conquer the peaks of the Alps but also around the world and achieved many firsts in the 1970s. They have four children including Blaise Agresti, also a mountaineer and mountain advisor to the General Directorate of the Gendarmerie.