Efren R. Gutierrez A.K.A. E.R.G. has always been influenced by the electronic music scene. Inspired by acts such as The Prodigy, The Chemical Brothers, Fatboy Slim and The Crystal Method he has always been close to the electronic music scene. It was not until the year 2002 that he began to Dj. With the electro scene moving in he began to explore genres of the scene. Itderground radio show in 2007, broadcasting from is home studio to start with, then was approached by Techno Fm, Matt went on tol move his show on their platform for a number of years before finally landing on Optical Radio.

In 2017 Matthieu-F made the decision for Planet Underground to take another direction and after asking his old friend and fellow Producer Keita Sato from Japan to become his associate, Planet Underground becomes a record Label.

In 2018, he goes on to start Resilient Recordings with Canadian based DJ/Producer Eddie Santini.

Matthieu-F’s dedication to his Techno is second to none, the same goes for his dedication to both his labels. Thriving to push the limits of his knowledge every time he plays and produces, and hungry to learn new skills to keep him on his toes!