 The Dassault Aviation Group is headed by Éric Trappier since 9 January 2013.The Société des Avions Marcel Bloch was founded by Marcel Bloch in 1929.In 1935 Bloch and Henry Potez entered into an agreement to buy Société Aérienne Bordelaise (SAB), subsequently renamed "Société Aéronautique du Sud-Ouest".