He began his career as a child actor and made his debut in Yves Robert's 1962 film War of the Buttons.

His mother subsequently married the director Antoine Bourseiller (of which Christophe adopts the surname as a stage name) and they had a daughter, the rejoneadora Marie Sara.

He has published thirty books on topics as diverse as: minority movements, political extremism, the against-culture, the industrial music and the new wave of the 1980s.

On France Musique, he co-produced a weekly program, launched in 2005 and dedicated to avant-garde music: Electromania and animated the morning for two seasons from 2011 to 2013.

He also participates in a historic program L'Ombre d'un Doubt on FR3 on Wednesdays on two, hosted by the presenter Franck Ferrand.

He is also preparing a PhD thesis at the Paris-1 Panthéon-Sorbonne University on Les Mouvements collaborationnistes français from June 1944 to December 1950 under the direction of Pascal Ory.