Journalist, director of French TV networks including FR3 and later TFI. He was also director of AFP (Agence France-Presse), He is the father of French admiral Edouard Guillaud, former chief of staff or Frencha armed forces.
He co-founded in 1966 the French TV series Les Grandes Batailles (on famous battles of the XXt Century) with Henri de Turenne and Daniel Costelle.