Konstantinos is a dedicated and passionate maritime professional, currently serving as Chase Boat Captain aboard M/Y RAJA. With a strong academic foundation from the Merchant Marine Academy of Macedonia and hands-on experience in both commercial shipping and the yachting sector, Konstantinos brings a mix of technical proficiency and guest-focused service.
He has captained speedboats up to 30 feet in Mykonos, conducting daily cruises and guest transfers, while also assisting as a deckhand on catamarans. His time aboard the SEA SAPPHIRE tanker gave him solid experience in navigation systems, firefighting, and life-saving procedures. Known for his composure, reliability, and strong work ethic, Konstantinos ensures smooth operations and a safe, welcoming experience for all guests onboard.
He holds a Speedboat and Sailing Boat License, STCW Basic Training certification, and is fluent in both Greek and English (C2 level).
Languages: Greek, English
Previous Vessels: SEA SAPPHIRE (Pantheon Tankers), Private speedboats & catamarans in Mykonos
Konstantinos Liolios
Chase Boat Captain
Stuart brings a wealth of experience and culinary innovation to his role as Head Chef aboard M/Y RAJA. With over a decade in the industry, Stuart has led galleys on some of the most prestigious charter yachts in the world, including M/Y TITANIA (75m), M/Y APOGEE (60m), and M/Y MIA ELISE II (60m). His background includes a dynamic mix of Michelin-level technique, global flavors, and cutting-edge culinary trends such as molecular gastronomy and sushi artistry.
Renowned for his high standards, creativity, and calm leadership, Stuart crafts bespoke menus tailored to each charter, always emphasizing quality, balance, and flavor. Whether cooking for royalty, celebrities, or families, he consistently exceeds expectations with his refined presentation and exceptional taste.
Passionate, driven, and professional to the core, Stuart leads the galley with precision, ensuring seamless service and unforgettable dining experiences for guests onboard M/Y RAJA.
Languages: English
Previous Yachts: M/Y TITANIA, M/Y APOGEE, M/Y COME TOGETHER, M/Y MIA ELISE II, M/Y BROADWATER, M/Y HUNTRESS, M/Y FRIENDSHIP
Stuart Lewis
Chef
With over 25 years of experience in the yachting industry, Captain Michael brings a wealth of knowledge and expertise to M/Y RAJA. His extensive background includes commanding luxury private and charter yachts across the Mediterranean, Red Sea, and beyond, ensuring the highest standards of safety, service, and guest satisfaction. His leadership is defined by professionalism, a strong safety culture, and a commitment to delivering exceptional experiences for owners and charter guests.
Michael has successfully managed complex refits, major dry dockings, and technical projects, ensuring vessels under his command meet the highest operational and regulatory standards. His in-depth knowledge of shipyard operations, financial management, and charter operations has positioned him as a trusted leader in the industry. Over the years, he has overseen high-profile charters and private cruises, working with demanding owners and elite clientele.
Holding a Master 3000 GT license, along with numerous maritime certifications, he is fully qualified to manage large-scale operations with precision and efficiency. Fluent in English and Greek, he excels in leading international crews and maintaining seamless communication on board.
Languages: Greek, English, Italian, French
Previous Yachts: TACANUYA, NOURAH OF RIYAD, ALFA XII, ALFA SEA, MAGNUM FORCE, LITTLE MARY, SOKIN, VIGOROUS
Michael Melemenis
Captain
With nearly a decade in the yachting industry, Liudmyla is a highly experienced and detail-oriented Chief Stewardess, ensuring that every guest's experience on M/Y RAJA is seamless, luxurious, and unforgettable.
Her background in medicine and sports therapy brings a unique touch of attentiveness to her hospitality, making guests feel truly cared for. From elegant tablescapes and impeccable housekeeping to personalized service and curated experiences, Liudmyla creates a welcoming atmosphere that elevates the onboard experience.
Her passion for culinary arts and interior styling, combined with her flawless organization and service skills, ensures that guests receive the ultimate five-star treatment.
Previous Yachts: M/Y Valentina, M/Y Clorinda, M/Y Elena
Languages: English, Russian, Ukrainian, Serbian
Liudmyla Rudenko
Chief steward/ess
Gemma is a motivated and detail-oriented 2nd Stewardess with three successful charter seasons on yachts up to 56 meters. Known for her professionalism, vibrant personality, and high standards, she joins M/Y Raja with strong experience in both service and housekeeping.
She has previously worked onboard M/Y Tacanuya (56m) and M/Y Fortuna (48m), where she managed full interior responsibilities including guest service (buffet, family-style, and silver), table settings, floral arrangements, laundry, provisioning, and junior stew training. Her participation in events such as the MYBA Charter Show and her ability to perform under pressure make her a valuable addition to the team.
Gemma holds STCW, Food Safety Level II, and interior service certifications, and is fluent in English and Afrikaans. Her dynamic energy and passion for excellence ensure guests enjoy an impeccable onboard experience.
Previous Yachts: M/Y Tacanuya, M/Y Fortuna
Languages: English, Afrikaans
Gemma Richter
Stewardess
Chef Hannah brings a refined culinary touch and a global flair to the galley of M/Y RAJA. With a strong foundation from the Culinary Institute of America and over three years of experience in the yachting industry, Hannah crafts vibrant, nourishing, and beautifully presented dishes that celebrate Mediterranean and Middle Eastern influences.
Her experience spans roles as Sole Chef on M/Y MATSU and Crew/Sous Chef on M/Y KATHARINE (62m), where she impressed with her creativity, precision, and ability to cater to both guests and crew. Known for her bespoke menu development, bread baking skills, and passion for modern food trends, she brings warmth and professionalism to every service.
Hannah thrives in dynamic environments and is admired for her calm demeanor, excellent time management, and her genuine care for those she cooks for. Outside the galley, she is an avid scuba diver, runner, and passionate traveler—always eager to explore new flavors and cultures.
Languages: English, Croatian
Previous Yachts: M/Y KATHARINE, M/Y MATSU, S/Y SENSATION
Hannah Bolus
Chef
Danylo Levytskyi is a skilled and reliable Marine Engineer with a solid background in both commercial and private vessels. A Ukrainian national, Danylo brings a strong work ethic and extensive hands-on experience in engine operations, repairs, and system maintenance across a variety of yacht systems.
He has previously served as Sole Engineer on M/Y LIGHT BLUE (38m) and Deck/Engineer on M/Y PLIS PLAY (37m), overseeing engine room operations, generators, watermakers, pumps, fuel systems, and AV/IT systems. His experience also includes engineering roles on large commercial ships such as M/V RUBY PRINCESS and VLCC LILU, making him well-versed in high-pressure maintenance environments.
Danylo is STCW-certified and known for his organizational ability, attention to detail, and strong communication. His technical expertise spans across electrical systems, hydraulics, HVAC, fire systems, and tender maintenance, ensuring smooth operations onboard.
Languages: Ukrainian, Russian, English, Spanish
Previous Yachts: M/Y LIGHT BLUE, M/Y PLIS PLAY
Danylo Levytskyi
Engineer
With over nine years of experience in the yachting industry, Yoana brings exceptional administrative acumen and leadership to her role as Purser onboard M/Y Raja. Her background as a Chief Stewardess on prestigious yachts such as M/Y Tacanuya, M/Y Grayzone, and M/Y Elegant 007 highlights her expertise in managing high-end service operations and complex logistics for both charter and private use.
Known for her meticulous attention to detail and strong communication skills, Yoana expertly handles guest and crew provisioning budgets, onboard accounting, and all interior administrative tasks. Her deep understanding of hospitality, service, and operational planning ensures smooth and efficient day-to-day management across departments.
Fluent in English and Bulgarian, and fully certified in STCW, security awareness, food safety, and marine environmental protocols, she is a key asset to the management team onboard.
Previous Yachts: M/Y Tacanuya, M/Y Grayzone, M/Y Tacanuyaso m.s., M/Y Let it be, M/Y Elegant 007, M/Y Alexander, M/Y Turama
Languages: English, Bulgarian
Yoana Miteva
Purser
Trent is a driven and highly skilled Lead Deckhand with a strong foundation in seamanship and water sports. A qualified RYA Yachtmaster with extensive experience on charter yachts, Trent joins M/Y Raja following successful seasons on M/Y Tacanuya and M/Y Fortuna, where he led deck operations and ensured top-tier guest experiences.
With hands-on proficiency in RHIB and chase boat operations, mooring and anchoring, teak and gelcoat maintenance, varnishing, and bridge watches, Trent brings both leadership and versatility to the deck team. He is also a certified PADI Rescue Diver and a confident water sports coordinator, managing activities such as jet skiing, e-foiling, and diving with ease.
His strong technical background, proactive mindset, and safety-first approach make him a standout deck crew member. With ambitions to complete an Atlantic crossing and become a Dive Master, Trent is fully committed to growth and excellence in the yachting industry.
Previous Yachts: M/Y Tacanuya, M/Y Fortuna
Languages: English
Trent Van Der Berg
Deckhand
A strategic thinker and seasoned maritime professional, Slobodan serves as the Chief Officer aboard M/Y RAJA, ensuring smooth sailing and exceptional service. With over 2,000 days at sea and a Specialist Degree in Management in Shipping, Slobodan is a navigation expert, safety compliance specialist, and team leader.
He has worked on some of the finest yachts cruising the Mediterranean, perfecting his skills in guest safety, vessel maneuvering, and operational efficiency. His ability to plan, execute, and problem-solve on the spot makes him an essential member of M/Y RAJA's leadership team.
Slobodan is known for his friendly demeanor, professionalism, and meticulous approach to yacht operations, ensuring guests can sit back, relax, and enjoy an impeccable experience.
Previous Yachts: M/Y Clorinda, M/Y Octavian, M/Y Imagine, S/Y Mia I
Languages: English, Italian, Spanish, Russian
Slobodan Vulović
First Officer