Technical Diving Courses
David Polley
Meet Your Instructor
David Polley is a highly experienced technical diving instructor with a strong background in cave and CCR diving.
With years of teaching experience across multiple agencies, David specialises in developing confident, capable divers from beginner through to advanced technical levels.
From Open Water through to advanced trimix and cave training, David’s focus is always on safety, precision, and building real-world diving skills that last.
Degree Qualifications
- B.Sc. (Hons) Environmental Biology
Professional Affiliations
Teaching Qualifications
- ProTec Master Instructor #15094
- ProTec TEC Deep Instructor #15094
- ProTec Trimix Instructor #15094
- ProTec Gas Blender Instructor #15094
- ProTec Technical Sidemount Instructor #15094
NAUI Instructor Certifications
- Adaptive Scuba Instructor
- Advanced Open Water Instructor
- Rescue Diver Instructor
- Deep Diver Instructor
- Nitrox Instructor
Additional Certifications
- Hypoxic Trimix CCR Diver
- GUE Fundamentals Diver
- Apeks Service Technician
Technical Diving Courses
Open Water Courses
- ProTec Open Water Diver
- Advanced Buoyancy Control
- Rescue Diver
- Navigation
- Night Diving
Technical Courses
- Advanced Nitrox
- Extended Range
- Normoxic Trimix
- Advanced Trimix
- Technical Wreck
Cave Diving Courses
- Cavern Diver
- Intro to Cave
- Full Cave Diver
- Advanced Cave Training
CCR Rebreather Courses
- CCR Experience
- MOD1
- MOD2 Trimix
- CCR Cave Training
