Mathieu Guillerond has extensive experience in the audiovisual field, notably serving in various roles at Accor Arena since November 2007, including Régisseur général, Régisseur général adjoint, and ingénieur du son. Prior to that, Mathieu was involved with Festivals from January 2000 to December 2013 as ingénieur du son façade/retour and worked at Audiolive from September 2001 to November 2007 as responsible for material depot. Mathieu obtained a BTS audiovisuel in sound from EICAR between 1999 and 2001.