Film critic (Cinéthique, Les Cahiers du Cinéma, Le Monde, ArtPress, Fusées, Turbulences Vidéo), onetime Reader at University Paris VIII, video artist, he has published essays on Jean-Luc Godard, Nam June Paik, Bill Viola, Laurent Millet, Pierrick Sorin, etc., and, since 1973, has made ten video installations and more than a hundred documentary films for television.

These include: Sollers au Paradis (1980), Joyce Digital (1984), Choses vues -- de V. Hugo, with Michel Piccoli(1985), Mémoires d'aveugle (with Jacques Derrida, 1990), Play it again, Nam (1990), L'Origine du monde (1996), Man Ray (1998), Versailles ou les jardins du Pouvoir (2000), Cocteau et Cie (2003), Les Voyageurs de la Korrigane (2005), Les Nymphéas, grand rêve de Monet (2006), M... la maudite (2007), Le dernier bal de la IVeme (2008), *Poésie protestante *(2009), Reims la romaine (2010), Petites phrases, grande Histoire (2011)... and, presently underway, Sexe, platt et rock'n roll...