[2] During World War II, he worked along with Paul Marion, General Secretary for Information in the government of Philippe Pétain.

He was sentenced to forced labor in 1946 and released on 2 June 1948, he eventually worked for the advertising agency Havas.

During the presidential campaign of far-right candidate Jean-Louis Tixier-Vignancour in 1965, Gaultier was responsible for propaganda and worked alongside former Cagoulard turned resistance fighter Serge Jeanneret.

[4] He later co-founded with Jean-Marie Le Pen the publishing house SERP ("Société d'études et de relations publiques"),[5] which specialized in editing historical recordings like political speeches and military songs.

[5] Gaultier wrote in Rivarol and was gradually moved away from the circle of Jean-Marie Le Pen in early 1980s.