Michael Ange Captain Michael R. Ange is a senior member of the Technical Training Staff for SDI & TDI (Scuba Diving International & Technical Diving International), International Training Director for Emergency Response Diving International, and contributing author and technical editor for SCUBA Diving magazine. A published writer and photojournalist, Mike has a personal training background as varied as his list of diving students which includes military personnel, law enforcement officials, and technical and recreational enthusiasts. Certified with several agencies, he holds instructor trainer ratings that include Advanced TRIMIX, Semi-Closed, Closed Circuit Rebreathers, Technical Wreck, and Cave. Additionally he's a Certified Advanced Diver Medic with the International Board of Undersea Medicine and an USCG Licensed Master with Power, Sail and Commercial Towing endorsements. Read More Read Less