Juggler, knive thrower and musician, Sébastien trained at the School of Circus Arts Balthazar in Montpellier, then at the French National School of Circus Arts (École Nationale des Arts du Cirque) in Rosny-Sous-Bois and at the National Center of Circus Arts (Centre National des Arts du Cirque-CNAC) in Châlons-en-Champagne (18th class). He also trained in contemporary, classical and jazz dance at EPSEDANSE in Montpellier.
Upon graduation and a tour with CNAC production Tout est perdu, sauf le bonheur (all is lost except happiness) directed by Philippe Car (Cartoun Sardines), (La Villette-Paris, Furies Festival in Châlons en Champagne, Circa Festival in Auch), together with five other artists he formed the troupe Galapiat Circus and created the show Risque ZérO. The show has been touring more than 300 times between 2008 and 2014, in France and abroad.
As a Jack of all trades, he was keen on undertaking all the necessary steps for the production of his Marathon : construction of the tribune, sewing of the curtains, writing of the promotional documents, composing the music…