Bret Gilliam

• Pic early photog underwater
• Bret Clifton Gilliam is a pioneering technical diver.
• Founder of TDI
• In 1991, Gilliam joined Dick Rutkowski, Tom Mount and Billy Deans on the board of directors for International Association of Nitrox and Technical Divers (IANTD)
• One time holder of the world record for deep diving on air. 1990 Bret Gilliam dived to a depth of 452 fsw on air. 1993 Bret Gilliam extended his own world record to 475 fsw.
  
• Gilliam has served as the publisher or editor of several magazines over the years.
• Gilliam Wiki