Olivier Mangin was born in Strasbourg and got his degree in applied arts in Roubaix. Between 1990 and 1996, he realized five regional historical comics in the series 'Histoires des villes' and 'Villes en guerre' for Éditions Le Téméraire. He made his mark with his artwork for the political thriller 'Intox', that was written by Gilles Chaillet and published by Glénat between 2003 and 2008. Since 2009 he is one of the artists involved in the series 'L'Ultime Chimère', that is written by Laurent-Frédéric Bollée for Glénat. With writer Jack Manini, he makes the series 'La guerre des Amants' for Glénat since 2012. It deals with the love between a Russian revolutionary and an American pacifist in the period around the Russian Revolution.