Captain: Julien Braconnier
Nationality: French
Languages: English, French

Julien’s lifelong bond with the sea began in the sheltered coves and bustling harbors of his home, where he first set sail as a young fisherman. The call of the ocean shaped his early years, instilling resilience, adaptability, and a deep respect for the beauty of the ocean.

Though his journey briefly diverged into the world of technology and renewable energy — reflecting his curiosity and drive to innovate — Julien’s heart remained tethered to the sea. Returning to maritime life, he honed his skills through advanced training in safety, anti-piracy, and modern navigation, earning him a Master 500GT and a prestigious role at the Yacht Club de Monaco. There, Julien captained legendary yachts, from classic vessels like Tuiga to cutting-edge motor yachts, before taking on global charters and transoceanic voyages over the course of a distinguished career.

Passionate and endlessly curious, Julien brings a wealth of expertise and an unwavering commitment to the vision of Mattea, uniting sustainability, technology, and elegance. Whether guiding guests through pristine snorkeling spots or navigating uncharted horizons, he ensures every voyage is not only unforgettable but also a step toward a more harmonious relationship with our oceans.

First Mate: Mathieu Bronner
Nationality: French
Languages: English, French

Mathieu is a highly experienced maritime professional with a background spanning commercial yachting, passenger transport, offshore sailing, and emergency services. With years of experience on both sailing and power yachts, including long-distance deliveries and large sailing yachts, he brings strong leadership, operational confidence, and sound decision-making to every role on board.

Alongside his yachting career, Mathieu is a certified maritime and first-aid instructor, training both professionals and the public in safety, navigation, and emergency response. His long-standing service as a firefighter has shaped his calm approach under pressure, team management skills, and unwavering focus on safety. Passionate about the sea, discreet by nature, and deeply committed to professionalism, Mathieu combines technical expertise with a reliable and reassuring presence that supports both crew cohesion and guest confidence.

Chef: Denis De Coste
Nationality: Belgian
Languages: English, Spanish, French

Belgian-born chef Denis brings over 25 years of culinary mastery to the world of luxury yachting. Trained in professional hotel management and refined through decades of experience across Michelin-level kitchens, high-end hotels, private events, and international restaurants, Denis specialises in French, Mediterranean, Asian, Japanese, and vegetarian cuisine. His cooking style blends precision, creativity, and a constant drive for innovation.

Before entering yachting, Denis built a distinguished land-based career as a head chef, event manager, and partner in his own catering and restaurant ventures, overseeing everything from intimate fine-dining experiences to large-scale events for thousands of guests. His three successful seasons aboard the Sunreef 80 Power further strengthened his adaptability, service mindset, and ability to deliver exceptional dining at sea.

Denis is known for his professionalism, calm presence, and passion for crafting memorable meals for every guest. His versatility, autonomy, and deep understanding of both kitchen operations and front-of-house service make him an invaluable asset to any yacht crew.


Stewardess: Boryana Todorova
Nationality: Bulgaria
Languages: English

Boryana is an experienced and energetic charter stewardess known for her positive attitude, strong work ethic, and ability to manage all aspects of interior operations with confidence. With several seasons onboard private and charter sailing yachts, she has developed solid expertise in housekeeping, laundry, service, bartending, provisioning, and guest hospitality. Her background also includes tender driving, basic deck duties, and assisting with watersports, making her a versatile asset during busy charters.

She enjoys the fast-paced nature of life onboard and takes pride in maintaining immaculate interiors, delivering high-standard service, and ensuring guests feel welcomed and well cared for. Friendly, adaptable, and highly motivated, she brings a dynamic presence to any crew and thrives in environments where teamwork, organization, and guest satisfaction come first.