Wreck diver, technical diving instructor, commercial diver, explorer, and television host.
He has been teaching divers since 1986 and currently offers training through TDI/SDI, with a focus on advanced wreck, decompression, trimix, and technical diving.
Commercial Diving & Technical Training
John’s background includes twenty years as a commercial diver in and around New York City, extensive deep wreck exploration, cave diving, rebreather diving, and trimix diving to depths deeper than 500 feet. He is also certified to pilot the Kittredge K250 submarine.
U-869 and Shadow Divers
In 1991, John was part of the discovery and identification of the German submarine U-869 off the coast of New Jersey. The story was featured in the NOVA documentary Hitler’s Lost Sub and later became the subject of Rob Kurson’s bestselling book Shadow Divers.
Television & Expedition Work
John co-hosted 57 episodes of the History Channel’s Deep Sea Detectives and has worked as a consultant for major film and television studios. More recently, he appeared on the History Channel’s The Curse of Oak Island, participating in multiple episodes involving complex underwater search and investigation work.
Titanic, Britannic & Deep Exploration
In 2005, John and his partners organized an expedition to Titanic, diving the wreck to approximately 12,500 feet in MIR submersibles from the Russian Research Ship Keldysh. Their work was featured in History Channel specials including Titanic’s Final Moments – Missing Pieces and Titanic’s Achilles Heel.
Training Today
Today, John lives in Brandon, Florida and trains technical divers in several locations, including Pompano Beach, Florida. His courses draw directly from decades of exploration, commercial diving, and expedition experience, giving students a practical foundation for advanced wreck and technical diving.