Steffner is a DJ and producer based in Oslo, Norway, working across house, tech house and deep house.

He runs his own label, Quantum Flux Audio, and releases on Mark Knight’s Toolroom Trax. In recent years he has played renowned clubs in London, Chamonix, Ibiza and Oslo, including Ministry of Sound, Egg LDN, Solomon’s Yard, Les Caves Chamonix and Santos Ibiza, as well as leading bars, clubs and restaurants in Oslo.