John Hott is Director of Training for Ocean Technology Systems with the company for over 17 years. After serving with the US Army in Counter Intelligence and a consultant to the Federal Government, John spent fourteen years in Law Enforcement rising to the rank of Sergeant. With OTS, he is a member of the design team that developed the Guardian Full Face Mask and teaches the technician course for the GFFM. As Training Director, he has also certified over 4400 Full Face Mask Service Technicians and has trained divers on full-face masks and underwater communications in thirteen countries. John is an avid diver since 1975, certified Dive Master and carries certifications from YMCA, NAUI, TDI and PADI.