Get To Know Us
Meet The Team
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Biographies:
Dive Team
Jesper Ahrentz, Co-Owner + PADI Dive Instructor 465767 (Denmark🇩🇰)
Jesper left his home country of Denmark after finishing school, to go backpacking in Australia for about 6 months before returning to begin University. While traveling, he decided to give diving a try, and it changed his life - he has now been working in the dive industry for over 20 years. In that time he has taught over 5000 students, which makes him one of the most experienced dive instructors in the world! He’s also really, really good at spinning on his head on the bottom of the sea. Jesper manages the dive centre, spreading laughter while he works. When Jesper is not in the office, he climbs the highest mountains in the world.
Will North, Co-Owner + PADI Dive Instructor 498156 (Canada 🇨🇦)
Will’s passion for diving began in 1998, when he first learned to dive on the Great Barrier Reef during a backpacking trip. During his open water dives, he was hooked on the feeling of near-weightlessness. He returned home to Canada and taught public school for 8 years, but he never forgot his love for the ocean. In 2008, he took a leap of faith. He left his job, sold his house, and moved to Thailand to become a dive instructor. This was a very good idea, and he hasn’t looked back since. Will spends most of his time welcoming guests, scheduling, organizing and supporting the incredible dive team at Ocean Sound Dive & Yoga. He also enjoys playing padel, exercise, travel and aviation.
Sam Possamai, General Manager + PADI Dive Instructor 369711 (Brazil🇧🇷)
Originally from Brazil, Sâm has been traveling since she was 18. During a 3 year stint living in Australia, she went diving for the first time and the first seeds of change were planted. She then backpacked through Indonesia, and went diving again, this time getting her Open Water certification. Next up she explored the waters of the Philippines and Thailand, and was hooked for good. She decided to change her travel plans and her life plans. She gave up her plane ticket to go home, became a dive instructor, and has been living the dream ever since. Teaching is itself a passion, and when combined with diving, brings Sâm joy and pure happiness! When she's not diving, she loves to watch beautiful Koh Tao sunsets, listen to music, and cook feasts!
Nick Leonardi, PADI Dive Instructor 548036 (USA🇺🇸)
Growing up near the coasts of the Chesapeake Bay in Maryland, USA, Nick has always felt comfortable in and around the water. He is a published Marine Invertebrate Zoologist turned Master Scuba Diver Trainer, striving to spread knowledge of the aquatic realm and all its wonders through an interactive and engaging lens. Whether it is SCUBA, fun facts about marine life or help in planning where to eat or what activities you can get up to on Koh Tao, Nick can help you!
Liz Heesters, PADI Dive Instructor 556742 (Netherlands🇳🇱)
Liz has a lifelong love for the ocean. After studying Musical Theatre and Creative Management she finally decided to follow what truly made her happy; she began her dive journey and never looked back. Liz committed fully to her dive training in 2024 and quickly progressed to PADI Instructor. A true “zero to hero” story. After finishing her Instructor course, she chose to stay in Koh Tao and share her passion. Liz loves being underwater and sharing that feeling with others. Whether it's the first breath below the surface or helping divers gain confidence, she’s happiest when she’s in the ocean doing what she loves most. She’s patient, enthusiastic and makes sure you enjoy your dive experience to the fullest! When she isn’t underwater, she enjoys reading, relaxing on the beach, or having a cozy night in with her cat.
Georgia Huntington, PADI Dive Instructor 524311 (Australia🇦🇺)
Raised in the ocean on the coast of Australia, Georgia always knew the sea would be part of her story. While studying Film & Acting, she discovered the possibility of turning her passion for diving into a career. She became a PADI Instructor in 2022 after exploring her love for sharks and the marine world. After teaching in Australia for 2.5 years, she set off on a new adventure in Koh Tao. Known for her patience, enthusiasm, and calm energy, Georgia brings a grounded and personal approach to every dive. For her, diving isn’t just a job—it’s a way of life, and she’s always excited to share that world with others. When she’s not underwater, you’ll find her hiking hidden trails, chasing sunsets, or relaxing on the beach.
Les Oletuia'ana, PADI Dive Instructor 527539 (New Zealand🇳🇿)
Les was born and raised in the windy capital of Wellington, New Zealand and proudly claims his parents Samoan heritage; a little island in the South Pacific ocean. Les had his first taste of diving back in 2015 on the Great Barrier Reef, Australia. It wasn't until 2019 that Les decided that it was time to return to the ocean on a more permanent basis in Sydney, Australia. In July 2022, Les and his partner left their secure jobs, sold all their belongings and purchased a one way ticket to Koh Tao. Les is an advocate for his LGBTQI community and is at home at Ocean Sound knowing that he has their full support. During his time off, Les likes to play tennis, entertain friends at home and baking desserts.
Severin Wihler, PADI Dive Instructor 559958 (Switzerland🇨🇭)
Severin grew up in Bern, Switzerland. During his first journey through Central America, he discovered his love for diving - a moment that would change his life. While continuing to explore the world, diving remained a constant and important part of his life. Back in Switzerland, he studied nursing and later specialized as an ICU nurse, where calmness, responsibility, and attention to detail became second nature. Now, 15 years later, he teaches with full enthusiasm and energy, guiding new divers through their first underwater experiences. His goal is simple: to give others the same moment of happiness and awe he felt the very first time he descended beneath the surface.
Anton Steenholt, Asst. Manager/PADI Dive Instructor 361261 (Denmark🇩🇰)
Anton tried diving for the first time on a family holiday, right here in Koh Tao, at the age of 12! He took his first breath underwater, and he's been hooked on diving ever since. As a professional diver for over 10 years, his experience spans countless dives. His teaching style is calm and focused, ensuring that every lesson is both structured and enjoyable.
He loves sharing the same sense of wonder and excitement he felt when he first started diving. For Anton, there's nothing better than introducing others to the magic of the underwater world, just as he was introduced all those years ago.
He loves sharing the same sense of wonder and excitement he felt when he first started diving. For Anton, there's nothing better than introducing others to the magic of the underwater world, just as he was introduced all those years ago.
Jessica Wheeler, Yoga Studio Manager (UAE🇦🇪/UK🇬🇧)
Born and raised in the United Arab Emirates, Jessica grew up surrounded by sea, sand, and sunshine. She later moved to the UK to study and went on to spend 14 years working in London as a Business Psychologist - helping organisations, teams, and individuals work better together. Over time, the pull of the ocean became impossible to ignore. Jessica left corporate life behind and made her way to Koh Tao, where she found a balance between structure and freedom, depth and play. Jessica manages the Ocean Sound Studio, bringing together her background in psychology, operations, and community-building to create a welcoming space for both guests and teachers. If she's not in the Studio, you’ll often find her in the water or at the beach with her dog Harley, a Koh Tao rescue dog. She believes the most powerful spaces are the ones where people feel supported, relaxed, and truly at ease.
Support Team
Ko, Ocean Sound Driver (Thailand🇹🇭)
Ko is the best taxi driver on Koh Tao! As the Ocean Sound driver, he transports divers to the boat and swimming pool. He has great style and is always dressed to impress! Though we haven't yet gotten Ko to take his PADI course, Koh Tao's coolest taxi driver takes great care of our divers above sea level. When he's not driving his taxi, he's a bit of a pool shark and also loves playing with his young son, Gong.
Joy, Ocean Sound Office Assistant (Thailand🇹🇭)
Mr. White, Boat Cat (Thailand🇹🇭)
Mr. White is the most popular guy at Ocean Sound. He lives on the dive boat, and loves to cuddle with our divers, play on the grass covered sundeck of the boat, and eat fresh sushi. He does not love being on dry land as he has major sea legs. He also really loves to snooze in bags, so make sure you check your backpack before you get off the dive boat, or you may end up with a stowaway!
