Sébastien Mourrain was born in 1976 in Aubervilliers. He arrived in Lyon where, after a ferry economy, he embarked on to study drawing at the Ecole Emile Cohl. He graduated in 2000 and continues in the illustration. He has worked for the youth edition, but also for the press and adult child. He worked for three years with the agency Costume3pièces.
Its title? Loup-Gris(first album in Milan), BarbeBleue (Glénat), C'est un fil (at Père Castor Flammarion) ... and more.

He has worked for Elle Magazine, Le Monde, Strategies, MoneyWeek ...

He currently works in a studio artist collective, called "Le Bocal" in Lyon