Captain: Spiros Kourpadakis

Spiros, Captain of GrayOne, brings extensive experience in commanding both luxury sailing and motor yachts, delivering seamless operations for high-end charters and private voyages. With a strong foundation in navigation, crew leadership, and emergency response, he ensures every journey is conducted with precision, safety, and professionalism. Holding an RYA Yachtmaster Ocean certification from the Royal Yachting Association in Athens, Spiros combines technical expertise with a refined approach to guest service. He is passionate about designing tailor-made itineraries that reflect each guest’s preferences, creating memorable and personalized experiences on board. Fluent in English, French, and Greek, he communicates effortlessly with an international clientele while fostering a welcoming atmosphere. Deeply committed to safety as a top priority, Spiros also embraces a forward-thinking mindset, aiming to contribute to a more sustainable future in yachting through dedication, strong work ethic, and long-term vision.


Chef: George Mistridis

With a deep-rooted passion for the culinary arts and a career spanning over two decades, Chef George brings a wealth of refined expertise to the galley of Gray One. Trained and armed with a lifelong dedication to excellence, George crafts unforgettable gastronomic experiences with precision, creativity, and soul.
His approach to cuisine reflects his extensive knowledge of Mediterranean flavors, global techniques, and an unwavering commitment to quality. Fluent in the language of fine dining and seamless service, George combines elegance with innovation, offering guests onboard a voyage of taste that rivals the beauty of the open sea.
A true professional, Chef George embodies the harmony of skill, discipline, and heartfelt hospitality—making every meal aboard Gray One a celebration of flavor and finesse.

Chief Stewardess: Stretovych Tamara

Born in Ukraine in 1982, (Tami) relocated to Athens, Greece at the age of 14, where she grew up and completed her education. With a strong background in hospitality, she spent seven years working in bars and restaurants, developing a solid foundation in guest service, teamwork, and high-pressure environments. In 2016, she transitioned into the yachting industry, beginning her career on sailing boats in Greece, where she quickly adapted to the dynamic demands of charter life. Tami is highly communicative, social, and approachable, with a naturally calm and attentive demeanor that puts guests at ease. Known for her cleanliness, attention to detail, and careful approach to her duties, she takes great pride in maintaining high standards on board. Her strong organizational skills allow her to manage busy charters efficiently, ensuring a seamless and enjoyable experience for guests. Empathy is at the core of her personality, and she genuinely enjoys taking care of others, anticipating their needs and delivering exceptional service. Tami brings a consistently positive attitude to her role and is recognized for her strong work ethic, commitment, and flexibility, making her a reliable and valued Chief Stewardess on board M/Y GrayOne.

Deck/Stew: Andre West

Andre is a dedicated and hardworking stew/deck aboard the catamaran Grayone, known for his commitment to excellence and strong work ethic. He thrives in a dual-role position, seamlessly balancing interior service with deck responsibilities to ensure a high standard is maintained throughout the vessel. Andre excels at creating a welcoming, guest-focused atmosphere while also supporting smooth deck operations, contributing to an exceptional onboard experience.
With a background in hospitality management, including roles at Kapensis Guesthouse and Ludicks Guest Farm, Andre brings valuable experience in guest service, team coordination, and operational efficiency. His keen eye for detail, proactive approach, and ability to anticipate guest needs make him a reliable and versatile crew member. Passionate about outdoor activities and animal welfare, Andre is continuously seeking opportunities for personal and professional growth while delivering outstanding service on board.


Deckhand: Simao Tiago

Simão, a 26-year-old Portuguese deckhand, joins Grayone with a deep-rooted passion for the ocean and five years of coastal living experience in Australia. An avid surfer, diver, snowboarder, and rock climber, he brings an adventurous spirit, resilience, and adaptability that perfectly suit life at sea. As a dedicated deckhand, Simão is committed to maintaining the vessel to the highest standards, assisting with all deck operations, and ensuring guest safety and enjoyment during water-based activities. His background in hospitality has equipped him with strong interpersonal skills and a natural ability to provide attentive, friendly service, enhancing the overall onboard experience. Known for his strong work ethic and positive attitude, Simão is a reliable and energetic crew member who takes pride in contributing to a smooth and professional operation on board Grayone, always ready to go the extra mile to support both crew and guests.

Previous Yacht: 7th Heaven