Oliver has been a recognised figure in the Techno scene for some time. 
Beginning his DJ life in 1991 while working in a local record shop in Buckhurst Hill, Essex called Bass Box Records (owned by legendary rave organisation Raindance). 
He cut his teeth in the early Techno scene around London playing clubs such as EC1 and Greys Inn. In 1993 he moved to New York where he became involved with the evolving Rave scene, helping put on various events as well as DJing at clubs and events around the city. Later he co-founded EPM Music, and became one half of the Detroit Grand Pubahs, taking up the pseudonym (The Mysterious) Mr O and running their own Detelefunk & Engineroom labels. He has collaborated with Ben Long (Space DJz) on numerous releases and provided remixes for labels like Torque, Engineroom, Beard Man and BulletDodge Records. His debut solo album was released in 2018 titled ‘From The Shadows’ on the EPM Music imprint. Since then he has started a label with Laurent Garnier & Scan X called Cod3 QR and continues to release new music under his own name and with various collaborations.