Captain Nikos is a seasoned maritime professional whose career spans over four decades, beginning in 1981. Holding an A’ Class Captain’s Diploma, he has logged countless sea miles navigating commercial vessels across the Atlantic, Pacific, Indian Ocean, and the Mediterranean Sea.
For the past 24 years, he has been a dedicated figure in the yachting industry, with nearly half of that time spent with the family that currently owns M/Y OASIS. His journey with the yacht began in 2015, following its acquisition, and he has since played an integral role in maintaining its exceptional standards of safety, service, and performance.
With deep knowledge of the Greek coasts and islands, Captain Nikos curates bespoke itineraries and ensures smooth, secure, and memorable journeys for his guests. His passion lies in sharing Greece’s hidden gems and transforming every voyage into an unforgettable experience.
Languages: Greek, English
Previous Yachts: M/Y ARMONIA, M/Y ALLEGRA
Nikos Manouselis
Captain
With over 10 years of yachting experience, Athina brings exceptional professionalism, attention to detail, and a deep commitment to delivering five-star service onboard M/Y OASIS. Her extensive background as a stewardess has equipped her with the skills to maintain impeccable standards of luxury, organization, and hospitality in every aspect of interior management.
Athina has completed multiple specialized training programs, including Guest Wine, Bartending and Mixology Introduction, Yacht Interior Basic Food Service, Yacht Interior Introduction Module, and Silver Service. She also holds Barista and Level 2 Wine Certificates from WCPS, along with a Skipper’s Sailing Diploma—further enhancing her well-rounded expertise in guest service and operations.
Recognized for her reliability, efficiency, and warm personality, Athina ensures guests feel comfortable, well-cared-for, and truly at home during their time onboard. Outside of yachting, she enjoys cooking, music, traveling, and reading.
Languages: Greek, English
Previous Yachts: M/Y MIA RAMA, M/Y NAMASTE, M/Y O’NATALINA, M/Y OMEGA
Athina Seresli
Chief steward/ess
Angelos is a dedicated and skilled maritime professional who brings both experience and precision to his role as First Officer onboard M/Y OASIS. A graduate of the Merchant Marine Academy of Epirus, he holds a B’ Class Captain’s License and has built a solid career spanning merchant shipping and the yachting industry.
Angelos combines strong navigational skills with extensive hands-on experience in vessel operations, safety procedures, and crew coordination. His professional background includes service on both private and charter yachts, where he developed a reputation for reliability, attention to detail, and calm leadership.
With a deep commitment to safety and service excellence, Angelos ensures smooth day-to-day operations and contributes to the overall success of every charter, providing guests with a secure and enjoyable experience at sea.
Languages: Greek, English
Previous Yachts: M/Y ANCALLIA, M/Y FAIR LADY
Angelos Bounos
First Officer
Themis is an A-Class Engineer with extensive experience in the maritime industry. His career began aboard passenger vessels, where he developed strong technical foundations before transitioning to the yachting sector in 2008. Since then, he has been dedicated to maintaining peak yacht performance and ensuring safe, efficient operations at sea.
A highly skilled and methodical professional, Themis is recognized for his exceptional organization, attention to detail, and proactive problem-solving approach. His leadership and technical precision enable him to manage complex engineering systems and preventive maintenance with confidence and efficiency.
Beyond his engineering expertise, Themis is valued for his calm demeanor, motivation, and strong communication skills—qualities that foster teamwork and a positive working environment onboard. His commitment to excellence ensures seamless operations and reliability throughout every voyage.
Languages: Greek, English
Previous Yachts: M/Y TOY, M/Y ASTRO, M/Y ERA A
Themis Katsis
Chief engineer
Dimitris is a passionate and talented chef who graduated in 2006 from Le Monde Institute of Tourism Studies with a degree in Culinary Arts. Before joining the yachting industry, he gained valuable experience working in numerous luxury hotels, fine-dining restaurants, and catering establishments, where he developed a refined culinary style and deep understanding of hospitality.
Specializing in Mediterranean cuisine—with a particular flair for Italian and Greek gastronomy—Dimitris combines creativity with authenticity to deliver dishes that delight even the most discerning palates. He has also attended specialized seminars on Private and Yacht Cheffing, broadening his expertise in bespoke onboard dining experiences.
Renowned for his signature Lobster Pasta, Dimitris approaches every meal as an opportunity to make guests feel at home while offering an unforgettable gastronomic experience. Outside of the galley, he enjoys spending quality time with his family.
Languages: Greek, English
Previous Yachts: M/Y SUMMER DREAMS, M/Y THIS IS MINE, M/Y GEEPEE
Dimitris Gkaveras
Chef
Anastasia brings extensive experience and dedication to the interior team, having worked onboard both private and charter yachts ranging from 30 to 55 meters. Her yachting career began in 2019, and since then, she has progressively taken on roles of greater responsibility, including solo stewardess positions.
Skilled in all aspects of interior service—housekeeping, laundry, and guest care—Anastasia is known for her attention to detail, efficiency, and commitment to maintaining immaculate standards. Her warm and professional demeanor ensures guests always feel comfortable and well attended to throughout their stay.
With experience in multicultural environments and a proven ability to adapt seamlessly to different working conditions, Anastasia is a valued member of the OASIS crew, consistently contributing to the smooth operation and welcoming atmosphere onboard.
Languages: Greek, English
Previous Yachts: M/Y KISS, M/Y PARENTHESIS, M/Y CRAZY HORSE
Anastasia Zhula
Stewardess
With over 10 years of experience in the yachting industry, George brings a wealth of knowledge and hands-on expertise to the OASIS team. His background in Yacht and Outboard Engineering has shaped him into a highly skilled technician and deck professional, capable of handling a wide range of responsibilities with precision and care.
Throughout his career, George has worked on both private and charter motor yachts, gaining extensive experience in deck operations, maintenance, and safety procedures. His professionalism, dedication, and strong sense of responsibility ensure that all deck duties are carried out efficiently and to the highest standard.
A true team player, George takes great pride in his work and in maintaining the yacht in immaculate condition. His passion for the sea, combined with his technical expertise, makes him an invaluable member of the crew, contributing to the smooth and safe operation of M/Y OASIS.
Languages: Greek, English
Previous Yachts: M/Y CHRISTINA, M/Y MOYA
Giorgos Gavalas
Bosun
Evangelos is a motivated and enthusiastic crew member who brings strong energy and a positive attitude to the OASIS team. His passion for the sea and commitment to excellence inspired him to pursue a career in yachting, where he continuously works to develop his skills and broaden his maritime knowledge.
Before joining M/Y OASIS, Evangelos served aboard a private 60m yacht, gaining valuable hands-on experience in deck operations, maintenance, and guest assistance. His professionalism, attention to detail, and dedication to safety ensure that all exterior operations run smoothly and efficiently.
Eager to grow within the industry, Evangelos approaches every task with diligence and pride, maintaining the yacht in pristine condition and contributing to an exceptional experience for both guests and crew.
Languages: Greek, English
Previous Yachts: M/Y TACANUYASO
Evangelos Plakides
Deckhand
Marianthi began her career in hospitality working in luxury hotels and fine dining establishments, where she developed a strong foundation in guest relations, service etiquette, and customer care. Her passion for the sea and commitment to excellence naturally led her to the yachting industry, where she quickly became an invaluable member of the crew.
With extensive training in Tourism, Cooking, Silver Service, Customer Care, and Psychology, Marianthi brings a well-rounded skill set to her role. She is detail-oriented, organized, and efficient, excelling in time management and teamwork to ensure flawless interior operations and guest satisfaction.
Her expertise includes Silver Service, barista and wine knowledge, safety demonstrations, and support with yacht-related deck duties—showcasing her versatility and reliability. In addition to English, she also speaks some Spanish and Russian, which enhances communication with international guests.
Marianthi’s professionalism, warm demeanor, and dedication ensure that every guest enjoys a welcoming and seamless experience onboard.
Languages: Greek, English, basic Spanish, basic Russian
Previous Yachts: M/Y NATALIA V
Marianthi Petsia
Stewardess