The Dirty Dozen Expeditions

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Dive with your hero! 🦸‍♂️🦸‍♀️

Dear Dirty Dozen Team Member,

We hope this email as always finds you well.

This week we are featuring our Dirty Dozen Expeditions “Special Guests”. Joining an expedition with a special guest is a great way to dive with and learn from well-known industry names.

Not only do they bring their additional expertise and knowledge to our trips, but they are also great fun to dive with and are happy to share their awesome knowledge and presentations over dinner and a beer.

Let’s dive into what guests we have coming up, and how you can join them on a trip of a lifetime!

JILL HEINERTH

Jill Heinerth is a Canadian cave diver, underwater explorer, writer, photographer, and filmmaker. She is a veteran of over thirty years of filming, photography, and exploration on projects in submerged caves around the world.

She has made TV series, consulted on movies, written several books, and is a frequent corporate keynote speaker. Jill is the first Explorer in Residence of the Royal Canadian Geographical Society, a recipient of Canada’s prestigious Polar Medal, and a Fellow of the International Scuba Divers Hall of Fame.

Currently diving a PRISM 2 rebreather, Jill has featured as a special guest on three sold out Dirty Dozen Expeditions to Truk Lagoon and will join us for her first journey to the Galapagos in 2026.

Watch this video of Jill explaining her reasons for diving with Dirty Dozen Expeditions.

MARK POWELL

Mark Powell is a TDI/SDI Instructor Trainer and a member of TDI/SDI’s Global Training Advisor Panel. He also represents TDI/SDI on a number of international standards groups. He is a regular contributor to a number of diving magazines and a regular speaker at Diving conferences around the world.

Mark has published Deco for Divers and Technical Diving: An Introduction, widely acclaimed overviews of the theory and physiology of decompression and technical diving.

These have quickly become the standard texts on the subject and are recommended reading by a number of the technical diving agencies. Mark does a plethora of presentations onboard that come from these books wether its decompression myths or the latest on deep stops.

Currently on a X-CCR, Mark has featured as a special guest on two sold out expeditions to Truk Lagoon and one sold out expedition to Bikini Atoll.

Watch this video of Mark sitting on the beach in Bikini Atoll discussing the experience with Aron Arngrimsson and Jakub Slama.

ADAM WOOD

Adam Wood has been responsible for creating, designing, and wiring many diving courses including the full range of SSI XR and XR CCR, Sidemount, and Overhead Environment programs. As one of the busiest instructors in diving you can find Adam teaching almost every day in various worldwide destinations.

Adam’s passion is teaching, and passing on knowledge and skills in recreational, technical, sidemount, and closed-circuit rebreather diving, at Instructor and Instructor Trainer levels.

NICK HOLLIS

The driving force behind the Hollis brand since its launch in 2007, Nick Hollis’s passion for scuba diving began earlier than most: as an 8-year-old diving with his father, Bob Hollis.

Today, Nick leads the design of gear for both the recreational and technical markets, focuses on the customer experience, and works to continuously expand the rebreather community.

Nick will return for his second expedition to Truk Lagoon in 2025 with us.

That’s a wrap from us this week! 

We hope you have some great plans coming up look forward to seeing you all above and underwater soon. Please don’t forget, if you ever feel lonely, we are always here to chat Dirty.

Best,

Aron Arngrímsson and the DDE Team