Robert Currer

General Manager for Patriot Scuba Occoquan and Fort Belvoir Business Manager for Currer Enterprises, INC Marketing and Funding Acquisition for Patriots for Disabled Divers Lead IDC Staff Instructor for Patriot Scuba: Rob was born into a military family and therefore...
David Charash DO, CWS, FACEP, FUHM

David Charash DO, CWS, FACEP, FUHM

Dr. Charash is a National Oceanic and Atmospheric Agency (NOAA/UHMS) Trained Dive Medicine Physician. He is Board Certified in Undersea and Hyperbaric Medicine and Emergency Medicine. He is Medical Director of a Hyperbaric Medicine program in the Northern Virginia...
Erik Petkovic Sr.

Erik Petkovic Sr.

Erik is an explorer, wreck diver, and shipwreck researcher who has twenty years of diving experience. An expert in shipwreck research, he is contracted by other authors and divers to assist in the intricacies of shipwreck research. Erik has published articles in dive...
Mark Gresham

Mark Gresham

PSI-PCI owner Mark A. Gresham, is widely considered the world’s foremost authority on cylinder inspection requirements and cylinder safety. Mark is co-author on the 5th Ed. of Inspecting Cylinders.  He was instrumental in the development of the Oxygen Cylinder...
Cathryn Castle & Captain Gui Garcia

Cathryn Castle & Captain Gui Garcia

Cathryn Castle Garcia and Gui Garcia are veteran scuba instructors and owners of C2G2 Productions, specializing in underwater and wildlife 8k film production, photography, editing and publishing. Cathryn has served as executive editor of Dive Training magazine for...

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