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Gemma Thompson


After finishing a degree in Environmental Geography, Gemma decided that the typical grad job in the city wasn't for her, so moved to Asia to chase the dream of getting paid to go diving full time. After 2 years living it up on a small tropical island in Malaysia, she's a Master Scuba Diver Trainer and an Emergency First Response Instructor who has taught hundreds of students and made thousands of dives. Gemma has a huge passion for underwater photography and loves bringing this into her classes. She has been recognised by PADI for her outstanding teaching through being awarded the highly coveted 'Certificate of Excellence' and teaches specialty courses in Underwater Photography, Deep Diving, Wreck Diving, Night Diving and Enriched Air Nitrox.

A season in Cyprus saw her working with the British Army, Royal Air Force and US Air Force training snipers, pilots, Ghurkas, paratroopers and everyone in between to dive; and culminated with a PADI Elite Instructor award. These days, Gemma is based in the UK and apart from Dive Proof, has spent time working as a Manager for Girls That Scuba and helping out with Ghost Fishing UK.

“A recurring nuisance throughout my diving career has been the soggy log book. After handing out more replacement books than I can count (and having to dry a fair few out myself), I started to wonder why no one had thought to make these water resistant… and so Dive Proof was born!” 



Nat Sidebottom

Media and Marketing Manager

Hi! My name’s Nat and I’m based in Bristol after living in the South West my whole life. I studied at Plymouth Uni and graduated back in 2013, before starting my marketing career. 
I’ve worked with Gemma at Dive Proof since the beginning of 2020, after we met in 2018 at DEMA in Las Vegas (the glamorous life of scuba diving!). I currently freelance, working with many types of small businesses across multiple industries to help build their social media, strategy and general digital marketing. I manage Dive Proof’s social media channels, ambassador programme, content creation, strategy and much more. Feel free to give me a shout on IG or Facebook as it’s usually me behind the keyboard :)
I fell into diving in 2016 after coming back from travelling in South East Asia and taking a job with Oceanic/Hollis UK. Since then, I have worked with multiple dive agencies, dive centres and international distributors across both sales and marketing.
Outside of work I love exploring new places, hanging out with my dog, going to gigs and eating my way through Bristol’s never-ending great food spots.


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