Training

SubGravity maintains a roster of some of the most experienced and highly respected CCR instructors in the industry. Currently, training is available for the Defender CCR and the X-CCR through TDI and IANTD training agencies. In addition to qualifications through their respective agencies, SubGravity has “factory approved” each of these individual instructors and instructor trainers. We are confident that you will not find a finer group of instructors anywhere in the world.

All Instructors


Marcin Bramson

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

Raymond Chan

Units Taught: Defender
Instructor Level: CCR Air Dil Decompression
Agency: TDI
Location: Hong Kong, China, Philippines, Canada
Region: Asia

John Conway

Units Taught: X-CCR, Defender
Instructor Level: CCR Advanced Mixed Gas
Agency: IANTD, TDI
Location: Florida, USA
Region: North America

Jonathon Di Cecco

Units Taught: Defender
Instructor Level: CCR Air Dil
Agency: TDI
Location: Tulum Mexico, Australia
Region: Australia / Oceania

Ian France

Units Taught: X-CCR, Defender
Instructor Level: CCR Advanced Mixed Gas, CCR Full Cave
Agency: IANTD
Location: UK
Region: Europe

Jon Kieren

Units Taught: X-CCR, Defender
Instructor Level: CCR Air Dil Decompression
Agency: TDI
Location: Florida, USA
Region: North America

Lauren Kieren

Units Taught: X-CCR, Defender
Instructor Level: CCR Air Dil Decompression
Agency: TDI
Location: Florida, USA
Region: North America

Charlie KH Kwon

Units Taught: Defender
Instructor Level: Air Dil Deco
Agency: TDI
Location: South Korea/Philippines
Region: Asia

Rob McGann

Units Taught: X-CCR, Defender
Instructor Level: CCR Advanced Mixed Gas
Agency: TDI, IANTD
Location: Florida, USA
Region: North America

Mathew Partridge

Units Taught: Defender
Instructor Level: CCR Advanced Mixed Gas, CCR Full Cave
Agency: TDI
Location: Mexico, UK
Region: North America

Christian Poirier

Units Taught: X-CCR, Defender
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

Ash Roberts

Units Taught: X-CCR, Defender
Instructor Level: Mixed Gas
Agency: TDI
Location: UK, Australia, South East Asia
Region: Asia

Jason Salter

Units Taught: Defender
Instructor Level: CCR Air Dil Decompression
Agency: TDI
Location: Victoria, Australia
Region: Australia / Oceania

Phil Short

Units Taught: X-CCR, Defender
Instructor Level: CCR Advanced Mixed Gas IT, CCR Full Cave IT
Agency: TDI, IANTD
Location: UK
Region: Europe

Gemma Smith

Units Taught: Defender
Instructor Level: CCR Air Dil Decompression
Agency: IANTD
Location: UK
Region: Europe

Edd Stockdale

Units Taught: X-CCR
Instructor Level: CCR Air Dil Decompression
Agency: TDI
Location: SE Asia
Region: Asia

Josh Thornton

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

Steve Tippetts

Units Taught: Defender
Instructor Level: CCR Advanced Mixed Gas
Agency: TDI, IANTD
Location: Grand Cayman
Region: North America