Originally from France, Jules is a member of the Society of authors, composers and editors of music in France (SACEM). Owner of a CCP (certificate of professional competences in music) from the French Music School "Tous en Scene", he attended several guitar masterclasses with Guthrie Govan (Hans Zimmer) or Andreas Oberg (Hank Jones, Les Paul). He's also a former instructor and music director for Music & Arts, School of Rock Las Vegas.

His music performance curriculum includes The Venetian and Palazzo hotel and casino resort (Streetmosphere), Vegas and national acts like Samantha Johnson (WWE Friday night Smackdown), Zach Ryan, Audrey English, Ken Peltier, Arturo Hernandez Gomez (UNLV)...

He's also a songwriter-producer-multi instrumentalist, released solo albums (Jules Martinez on Spotify, Apple Music) and collaborations with bands on international record labels ("Dysmorphic" with Unique Leader Records, CA. "The Newtons" album mastered by Brad Blackwood at Euphonic Masters, TN).