David Ciekanski (born 14 December 1996), better known by his stage name Matt Fax, is a French electronic music DJ and record producer.
Having started his career in 2009, Fax encountered early success with support from renowned DJs and artists around the world, such as Depeche Mode, Armin van Buuren, Above & Beyond and Gareth Emery. Throughout his career, he has produced numerous tracks and remixes which entered multiple Beatport charts. His music is a blend of progressive house, trance music and techno.