IANTD Instructor Trainer at MV Seavulture in Bangkok, specializing in trimix, CCR, and advanced wreck diving. Known as JKP, he has been a diving instructor for over 20 years, teaching courses in various countries during his travels, with instructor-level certifications spanning IANTD's open-circuit and closed-circuit rebreather curricula -- including advanced recreational trimix, dual CCR, technical wreck, and DPV/sidemount training. Rated on the IQSub FX-CCR and FLEX 2, XDEEP Liberty, and Inspiration Vision/Classic rebreather platforms.