Training

SubGravity maintains a roster of highly experienced and respected CCR instructors from around the world. Training is currently available for the X-CCR, Flex2-CCR, FX-CCR, and Defender CCR through Technical Diving International (TDI), International Association of Nitrox and Technical Divers (IANTD), and RAID training agencies.

In addition to maintaining active instructor credentials through their respective agencies, each instructor and instructor trainer has been factory trained and approved by SubGravity to teach on the specific CCR platforms they represent. Our goal is to ensure students receive safe, standardized, and high-quality training from instructors with extensive real-world CCR experience.

All Instructors


Moe Almehairbi

Units Taught: Defender
Instructor Level: Helitrox Decompression
Agency: TDI
Location: Sharm el Sheikh, Egypt
Region: Middle East

Sabatino Bianco

Units Taught: X-CCR
Instructor Level: CCR Sport Diver, CCR Deco, CCR Limited Trimix
Agency: RAiD
Location: Arlington, Texas
Region: North America

Marcin Bramson

Units Taught: X-CCR, Defender
Instructor Level: CCR Advanced Mixed Gas IT
Agency: IANTD
Location: Poland
Region: Europe

Marc Crane

Units Taught: X-CCR, Defender, FX-CCR
Instructor Level: CCR Advanced Mixed Gas IT
Agency: TDI
Location: Bali, Indonesia
Region: Asia

James Draker

Units Taught: X-CCR, Defender, FX-CCR
Instructor Level: Air Dil, Air Dil Deco & Helitrox, Mixed Gas, Advanced Mixed Gas, CCR Cave
Agency: TDI, IANTD
Location: Ft. White, Florida
Region: North America

Douglas Ebersole

Units Taught: FX-CCR
Instructor Level: Air Dil, Air Dil Deco, Helitrox, Recreational Trimix
Agency: TDI, IANTD
Location: Florida
Region: North America

Chris Ferrar

Units Taught: X-CCR, Defender, FX-CCR
Instructor Level: Air Dil, Air Dil Deco, Helitrox
Agency: TDI
Location: North Carolina
Region: North America

Jeffrey Glenn

Units Taught: X-CCR
Instructor Level: Air Dil, Air Dil Deco & Helitrox
Agency: TDI
Location: Australia
Region: Australia / Oceania

Jessica Keller

Units Taught: X-CCR
Instructor Level: CCR Helitrox
Agency: TDI
Location: Bonaire
Region: South America

Alex Lee

Units Taught: X-CCR, FX-CCR
Instructor Level: Air Dil, Mixed Gas
Agency: TDI
Location: Australia
Region: Australia / Oceania

Jason Nunn

Units Taught: X-CCR
Instructor Level: CCR Helitrox
Agency: TDI
Location: South Florida
Region: North America

Christian Poirier

Units Taught: X-CCR, Defender, FX-CCR
Instructor Level: CCR Air Dil Decompression
Agency: TDI / IANTD
Location: Québec, Canada
Region: North America

Bartek Ra

Units Taught: X-CCR
Instructor Level: CCR Air Dil Decompression, CCR Full Cave
Agency: TDI, IANTD
Location: Mexico
Region: North America

Danny Rivera

Units Taught: X-CCR, Defender, FX-CCR
Instructor Level: Air Dil Deco / Advanced Recreational Trimix
Agency: TDI / IANTD
Location: New York
Region: North America

Scott Sanders

Units Taught: X-CCR, Defender, FX-CCR, Flex 2 CCR
Instructor Level: Air Diluent, Helitrox Deco, Mixed Gas, CCR Cave
Agency: IANTD, TDI
Location: Virginia
Region: North America

Josh Thornton

Units Taught: X-CCR, Defender, FX-CCR, Flex 2 CCR
Instructor Level: CCR Advanced Mixed Gas IT, CCR Full Cave
Agency: TDI, IANTD
Location: Utah, Florida, USA
Region: North America

Randy Thornton

Units Taught: X-CCR, Defender, FX-CCR, Flex 2 CCR
Instructor Level: CCR Advanced Mixed Gas IT, CCR Full Cave
Agency: TDI, IANTD
Location: Utah, Florida, USA
Region: North America

Michael Thornton

Units Taught: X-CCR, Defender, FX-CCR, Flex 2 CCR
Instructor Level: CCR Advanced Mixed Gas IT, CCR Full Cave
Agency: TDI, IANTD
Location: Utah, Florida, USA
Region: North America