Mark Powell appointed TDI / SDI ‘International Business’ Manager


Mark Powell qualified as a TDI / SDI Instructor in October 2000, and has been an ardent advocate of the training agency for almost two decades. In 2002 Mark Powell set up Dive-Tech (a dedicated technical diving training facility) and began working as a full time professional. A role that he has continued to this day.

“I am very excited to join the HQ team. The opportunity to help grow this agency is very exciting”, stated Powell.

The role of ‘International Business’ Manager will see Mark Powell racking up the air miles, as he brings his diplomatic business management acumen and sales training to TDI / SDI centres across the globe (In his previous career Powell was a lecturer at the London School of Business & Management).

“I have been representing TDI / SDI in a number of UK industry relation roles for a couple of years now and I am delighted that this role is now expanding to other regions. I intend of course to keep on diving as much as possible. It is important to remain water-current, and I will be teaching, writing and speaking when not supporting the Regional Managers.”

Mark Powell will remain based in the UK, and will work alongside Paul Montgomery and Jordan Greene, assisting TDI / SDI Regional Offices, centres and members across the globe (that are based outside of the USA).

When Mark is not consulting or teaching diving courses at all levels (including CCR Advanced Mix Gas Instructor Trainer), he will continue to contribute to a number of diving magazines, and represent TDI / SDI on the British Diving Safety Group and the HSE Recreational Diving Industry Committee as well as being a member of the Diver Training and Breathing Apparatus committees at the British Standards Institute.

He is also in the middle of writing a follow up book to ‘Deco For Divers’. In 2008 Mark published this award winning manual at EUROTEK.08. Today ‘Deco For Divers’ is the standard text on theory and physiology of decompression. It is respected and is featured on the recommended reading list of several technical diving agencies.

Find out more about TDI /SDI at

Rosemary Lunn

Rosemary Lunn

Roz is the Founder of The Underwater Marketing Company, Co-founder of EUROTEK, and established TEKDiveUSA. She is a PADI IDC Staff Instructor, a BSAC Advanced Instructor, and a rebreather and Trimix diver. Before moving into the PR field she worked as a full time recreational instructor in the UK and abroad, on History Channel and National Geographic documentaries, as a safety diver, and modelled underwater.

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