Born in Athens, Greece, Dimitris Fifis started diving in 1991 and became an instructor in 1998. In 2009, after 23 years of service in the Greek Navy (most of them in the aviation branch), he retired and decided to pursue a full-time career in diving. Since then he has managed diving operations in various diving centers in Greece as well as on mega-yachts
Dimitris is an avid technical and CCR diver, a hyperbaric chamber operator, and a service technician on most diving equipment brands.
Dimitris discovered GUE in 2007 and never looked back. He currently lives and works in Dubai, and is involved in various wreck exploration and underwater filming projects around the world. Because of his strong interest in increasing dive safety through quality education, he currently manages GUE.tv, and also produces training videos for GUE.