Mathieu Septier starts his musical carrier at the age of 9 in the Sotto Voce Children’s Choir conducted by Scott Alan Prouty.  Following his passion, after having graduated in harmony and composition degree, Mathieu became assistant choir conductor of his mentor Scott Alan Prouty, and since 2002  is in charge of the vocal formation at the Sotto Voce Children’s Choir. Mathieu Septier has actively been part of the preparation of more than 300 concerts and musicals in Canada, Spain, USA, Russia, Czech Republic, France…

Soon renowned for his educational skills with children, Mathieu regularly intervenes in the “Ensemble Justiniana” children’s choir to prepare them for musicals and children’s opera performed at the Paris Bastille Opera, Toulouse Capitole or Paris Châtelet Theatre.

In 2006, Mathieu joins the prestigious French Republican Guards Choir (conducted by Aurore Tillac) before been chosen in 2010 by the Paris Opera as supernumerary lyric tenor where Mathieu has been part of the casting of Eugene Onegin, The Phantom Ship, Madama Butterfly, Faust, Rigoletto, The Barber of Sevilla, The Rake’s Progress, La Cenerentola….

Always trying to perfect his vocal skills and talent, Mathieu Septier continues to improve his vocal skills with the 2 vocal masters: Jean-Bernard Thomas and Malcolm King before becoming in 2014  a member of the lyric company “Voix Concertantes” (conducted by Sesto Quatrini. His interpretation of Gaston from La Traviata produced at the Athénée Theatre in Paris and in Italy at the Rieti Opera house received great critics.

Mathieu’s compositor skills, for choir and instrumental music,  had been published and featured in several French motion picture soundtracks such as “Cause Toujours directed by Jeanne Labrune.