Dave is a TDI and IART Instructor Trainer. A PADI Master instructor, IART instructor, IANTD Rebreather Technical Instructor, TDI Rebreather Technical instructor, CCR Cave Instructor and ITDA technical instructor. He is qualified to teach all courses up to Full Trimix diving. He is also a close circuit rebreather instructor to Hypoxic Full Trimix level on a number of different types of rebreather.
He also holds a commercially endorsed RYA Offshore Yacht Master license. He is also the regional officer for the International Association of Rebreather Trainers

For a number of years now he has been the diving safety officer for the University of Malta and Underwater Cultural Heritage Malta, which gives him the opportunity to dive and work on wrecks that have never been seen or photographed before, most of which are in the 100+m range.

For the last five years he has been working as a freelance Technical Diving Instructor in the U.K, trading under the name of Rebreatherpro Training, for more information please visit www.rebreatherpro-training.com. Previous to this he worked for some of the largest dive centres in the UK and owned a dive centre for 10 years in the Canary Islands.