With over 30 years beneath the waves and three decades as a qualified instructor, Stuart Girdler brings a unique blend of military precision, deep technical experience and passionate dive-leadership. A serving Army Officer and Training Officer for the Army Sub Aqua Dive Association, Stuart is as comfortable coaching instructor trainers as he is leading expedition teams worldwide.

Diving Disciplines is based in the UK and lead by Stuart Girdler. His credentials include BSAC technical qualifications and instructor-trainer status across multiple dive agencies. From recreational adventures to closed-circuit rebreather and mixed-gas instructor training, Stuart’s mission is to empower divers at every level to explore smarter, safer and further.