kohtaothailanddiving.com - Meet the Dive Team

David Polley

Technical, Trimix, Cave & Wreck Instructor and Instructor Trainer

David has over 10 years experience as a dive instructor teaching in a wide range of aquatic environments. Dave began his professional dive career in the UK as a dive instructor whilst studying for his degree in Environmental Biology at University of Bath.

He joined Tech Diving Thailand in 2011 and now manages the Tech Diving Thailand Technical Department.

David leads the Tech Diving Thailand technical facility ensuring high standards are maintained across all technical operations. David is responsible for all technical programs at Tech Diving Thailand from CCR to advanced trimix courses and technical instructor courses. He also runs regular cave diving trips, teaching ProTec Intro to Cave and ProTec Full cave diving courses and leading experienced cave divers into the many deep caves found on the mainland such as Song Hong and Sra Keaw. Most of these caves require CCR trimix dives with lenthy decompresion. David runs ProTec and NAUI programs and has written some NAUI & ProTec diving courses such as Advanced Wreck and Cave diver instructor and student manuals.

He is a ProTec Advanced Mixed Gas Instructor,ProTec Inspiration CCR instructor and teaches the whole range of ProTec tech courses. David is also a

ProTec Instructor teaching closed circuit rebreather, Full cave, advanced nitrox and decompression procedures courses, extended range, Trimix, ProTec sidemount etc

As an experienced CCR Inspiration/Evolution instructor his main interest is in CCR deep wreck expeditions, and exploring the many WWII wrecks in the Gulf of Thailand and South China Sea. David regularly leads expeditions to dive the many Japanese ‘Maru’ shipwrecks sunk in WWII and other wrecks scattering the gulf and searching for new wrecks on deep trimix CCR dives, and found many new shipwrecks around Thailand. David is also fluent in Thai and as an experienced cave diver and head of the technical expedition team 'Tech Diving Thailand. He carries out cave exploration expeditions and surveying caves around Thailand, working with Thai officials and universities.

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