Cristian, born and raised on the coast of the Black Sea in Romania, is a 31-year- old man. After graduating as an electro-mechanical engineer from the Maritime University of Constanta, Cristian began his career in the commercial industry. After traveling worldwide on large crude oil tankers, he discovered his true calling within the yachting industry, where he thrived. He has gained experience from various super-yachts and has worked in places like the Mediterranean, Dubai, the Caribbean, and Turkey. Cristian enjoys outdoor activities and sports.
Interests: Fishing, Cooking
Previous Yachts: 32m NEGRA, 50m BLUE NIGHT, 40m ALTA VITA, 40m ANITA

Cristian Tofan (Rotation)
Chief engineer
Amelia is a 23-year-old from the south coast of England and joined Seven Sins in March 2026. With a background on bigger boats, she is particularly passionate about housekeeping. In her free time, Amelia enjoys traveling, scuba diving and reading, especially true crime! Amelia recently completed a postgraduate diploma in law, with future plans to qualify as a solicitor.

Amelia Hayes
Stewardess
Born and raised on the French Riviera, Mika brings over 15 years of yachting
experience, including a decade as a Motor Yacht Captain. Introduced to the sea early on, he spent his summers from the age of 16 teaching water sports and his winters immersed in marine engineering, a hands-on foundation, that naturally evolved into a career in yachting at 30. Known for his calm. camaraderie-driven leadership, Mika fosters an atmosphere where excellence, safety, and genuine hospitality go hand in hand. Beyond the sea, Mika is a licensed pilot and passionate paragliding enthusiast always in pursuit of new horizons, whether by air, land, or water.

Mika Hernandez (Rotational)
Captain
Lewis was born and raised in Nottingham in the UK, he originally joined the SEVEN SINS team in 2021 as a deckhand and has recently returned as an officer. Having spent the last 7 years on yachts, working on vessels ranging from 50m to 95m. His hobbies consist of all things water sports, including scuba diving, windsurfing and jet ski racing. He has a passion for all things nautical, knowing the best spots for any activity or occasion. Onboard he’s responsible for navigation and ensuring you have the most amazing and safe experience with us. So, whether you’re looking for a relaxing sunset cruise or an adrenaline filled day of the water, he’s got you covered.
Interests: Skiing, Surfing, Fishing
Previous Yachts: 85m Sakura, 72m Axioma

Lewis Brailsford
First Officer
MJ grew up in a small farming town in the heart of South Africa. Before joining the yachting industry, he played professional rugby in South Africa for two years before deciding to make the move to the yachting industry. He started off by doing sailing races and deliveries across the world before landing on Seven Sins. He has a strong passion for diving, kiteboarding and videography. You will always find him with a camera in his hand and a smile on his face. He will always aim to make your time onboard as memorable as possible.
Interests: Rugby, Sailing, Diving, Kiteboarding, Videography
Previous Yachts: 49m La Dea 2

Marthinus Jacobus (MJ) Strauss
Bosun
Hrvoje Sentić is an experienced head chef specializing in Mediterranean cuisine with a creative twist. Cooking has been a lifelong passion for him, starting from childhood alongside his mother. Having lived his entire life by the sea on the coast of Croatia near Dubrovnik, he has a deep affinity for the sea. With five years of experience in the yachting industry, four of those on a 30-meter yacht ‘Novella. Hrvoje has cooked in London, Paris, Austria, Croatia, and Spain, including in Michelin-starred and top-rated restaurants. His time as a professional water polo player, living and playing in Italy, Spain, France, and Iran, allowed him to experience diverse culinary cultures, which fuels his creativity in the galley. Hrvoje is passionate about continuous learning, always exploring new culinary literature and refining his skills. Beyond the kitchen, he is a skilled spear fisher, certified dive master, and holder of a Yachtmaster B license. His background as a former professional athlete gives him strong discipline and social skills that make him a great team player.
Interests: Travelling, Cooking, Water Polo, Spear fishing
Previous Yachts: 30m Novella

Hrvoje Septic (Rotation)
Chef
Kelly grew up in Durban, South Africa, surrounded by the sea with an upbringing that ignited her lifelong love for the ocean, travel, and discovering new cultures. After school, she headed overseas to pursue a new journey that led her to Switzerland, where she spent a year as an au pair caring for three children while simultaneously studying for a diploma in Public Relations. Following her year as an au pair her passion for a career in yachting never faded and she took the leap into the industry and was fortunate to secure her first position soon after. Kelly has been in yachting ever since, continually inspired by the incredible people she meets, the opportunity to help create unforgettable guest experiences, and the chance to immerse herself in cultures from all around the world.
Interests: Gym, Hockey, Art, Music

Kelly Jansens ter Laeck
Stewardess
Tiaan joined the yachting industry after earning his degree in Civil Engineering, bringing a strong technical mindset and problem-solving approach to life at sea. Originally from a livestock farm in South Africa, he grew up with a hands-on, hardworking attitude that carries through in his work onboard. He has worked on three different yachts and thrives in active guest-facing roles. Whether it’s wakeboarding, jet surfing, or any other water sport, Tiaan loves sharing his passion on the water and creating memorable experiences for guests.
Interests: Wakeboarding, E-Surfing, Weightlifting, Golf
Previous Yachts: 49m La Dea 2, 55m Moon Sand

Tiaan Nel
Deckhand
Alex, 35-year-old, with vast experience on commercial vessels and cruise ships, joined the yacht industry in 2022. Dedicated and ambitious to solve any kind of technical issues in a professional manner, his experience helps him to find the best solutions. His motto is: “wherever I put the hand, a flower needs to grow up”.
Interests: Football, Card Games, Chess, Travelling
Previous Yachts: 49m Ghost III, 52m Seven Sins

Alexandru-Marian Stefan (Rotation)
Chief engineer
Robert grew up in a small seaside village in Ireland and has been around boats and the sea all his life. He comes from a family of seafarers, and at the early age of 17, he became one of Ireland's youngest qualified deep-sea mariners. With 15 years in the yachting industry, Robert is Master 3000 GT qualified and has been on board Seven Sins since October 2021. Robert is always looking forward to taking guests on a discovery of the many beautiful bays, anchorages, and towns of the Mediterranean and Caribbean. Captain Robert loves spending his free time in the mountains, enjoying outdoor sports and staying active.
Interests: Watersport, Golf, Snowboarding
Previous Yachts: 47m ELENA, 47m DOJO, 46m PANAKEIA, 40m ANYUTA

Robert Chapman (Rotation)
Captain