Name: Konstantinos Dimitriadis
Position: Captain
Nationality: Greek
Languages: Greek, English

Captain Konstantinos Dimitriadis, born in 1975, brings nearly 30 years of maritime experience across passenger ships, ferries, and some of the world’s most prestigious motor yachts. A graduate of the Merchant Marine Academy of Epirus with a Class A Captain’s certification, he has commanded vessels up to 204 meters and, since 2012, has specialized in luxury yachting with notable service on M/Y Tueq (80m), M/Y Salamah (140m), M/Y Billa (42m), M/Y Clia (40m), and M/Y Adams V (70m). Holding advanced qualifications in ship handling, ECDIS, firefighting, HAZMAT, medical care at sea, and safety management systems, he ensures every charter aboard M/Y Persefoni I is conducted with the highest levels of safety, professionalism, and enjoyment. Fluent in English and conversational in Italian, he combines technical expertise with a lifelong passion for the sea. Beyond his career, he enjoys fishing, tennis, reading, music, and wine tasting—interests that reflect his discipline, attention to detail, and ability to connect with guests from diverse backgrounds.

Name: George Christopoulos
Position: Chief Officer
Nationality: Greek

George is a highly skilled and disciplined Chief Officer with extensive experience on both private and charter motor yachts ranging from 54m to 95m. Holding a Captain Class B’ License and a Master 1500 GT certification, he has developed strong leadership, navigation, and operational management skills. His background includes service aboard tankers and cruise ships, further refining his expertise in safety protocols, vessel handling, and international maritime regulations. He has navigated throughout the Mediterranean and Red Sea, ensuring smooth voyages and high-end guest experiences. In addition to his maritime credentials, Georgios holds a BSc in Psychology, bringing a well-rounded approach to crew management and teamwork. He is also a licensed sailing boat and speedboat operator, as well as an open water diver, further enhancing his versatility on board.

Name: Christos Malagkoniaris
Position: Chief engineer
Nationality: Greek

Christos is a Class A Marine Engineer with over a decade of experience across commercial vessels, naval ships, and professional yachts. Having served as Chief Engineer on yachts up to 184ft., Christos brings deep technical expertise in main engines, generators, electrical systems, automation, and onboard IT. Known for his problem-solving mindset, Christos is highly hands-on and has successfully set up and managed yachts from the ground up, ensuring seamless operations across all departments. He is also a very skilled skilled tender operator and drone pilot! Fluent in Greek with strong English proficiency, he combines technical excellence with reliability, adaptability, and a proactive approach.


Name: Stelios Markis
Position: 2nd Engineer

Nationality: Greek
Stelios took his Marine Technician degree back in 2001 and worked ashore as engineer on a yachting authorized workshop. Later on, his love for the sea forced him to join the merchant marine academy and graduated as 3rd engineer in 2012, since then Stelios has been on different yachts that helped him gain experience and improve his skills. At his free time he does professional competition free- diving, spearfishing, apnea yoga and lots of watersports. Stelios speaks English and Greek fluently.

Name: Sotiris Vasileiou
Position: Chef
Nationality: Greek

Sotiris is our award-winning executive chef onboard M/Y Persefoni I, with over 20 years of experience in high-end gastronomy, including roles in Michelin-starred restaurants and private residences around the world. Trained in France and Belgium, he has worked under renowned chefs such as Gordon Ramsay and served notable clients including Barack Obama and Roger Federer. His culinary style blends Mediterranean tradition with modern refinement, offering visually stunning and flavorful dishes tailored to each guest’s preferences. Fluent in French and proficient in English, Sotiris enjoys engaging with guests to craft unforgettable dining experiences. When not in the kitchen, he enjoys reading, films, and staying fit—bringing the same passion and discipline to his hobbies as he does to his cuisine.

Name: Manik Khourshoudyan
Position: Chief Stewardess
Nationality: Armenian

Manik, an Armenian professional, ventured into the luxury yachting industry in 2020, bringing with her a background steeped in diverse experiences. She initiated her culinary journey at the Sivitanidios Culinary College. Before transitioning to yachting, Manik honed her customer service expertise in upscale luxury stores, fitness and wellness centers, and boutique hotels. During her leisure moments, she immerses herself in learning Spanish, refining her skills through training seminars—ranging from wine to beauty—and actively participating in Tourism & Hotel Business seminars at K.E.M.E.

Name: Tina Lyropoulou
Position: 2nd stewardess
Nationality: Greek

Tina is an experienced Stewardess with a strong background on both private and charter yachts up to 50 metres. Having served as Chief Stew, Second Stew and Sole Stew, she brings versatility, leadership and a high level of service to every vessel. Known for her professionalism, attention to detail and calm demeanour, she consistently delivers exceptional guest experiences. With full STCW certification, a Seaman’s Book and a powerboat licence, Stamatina upholds the highest standards of safety, cleanliness and service. Fluent in Greek and English, she combines a warm personality with discretion and efficiency, making her a valuable asset to any interior team.

Name: TBC
Position: 3rd Stewardess: TBC
Nationality: TBC

Bio to come.

Name: Mary Ann Velasquez
Position: 4th Stewardess
Nationality: Greek

Mary Ann is a dedicated and detail-oriented stewardess from the Philippines, bringing a strong hospitality background and a warm, guest-focused attitude to M/Y Persefoni I. With several years of experience in luxury yacht charters and private vessels, she has served aboard a variety of yachts under international flags, consistently praised for her reliability, adaptability, and high standards of service. Mary Ann is fluent in English and Filipino, with basic Greek skills, and has completed formal maritime training in guest service and safety procedures. Known for her positive demeanor, multitasking ability, and discretion, she ensures that every guest onboard receives seamless and attentive care. Mary Ann takes great pride in her work and maintains a professional appearance at all times, making her a valuable part of the interior team.
With her strong work ethic, seafaring experience, and dedication to providing top-tier guest service, Marina is a valuable addition to the crew of M/Y Persefoni I.

Name: George Emmanuel Vougioukas
Position: Bosun
Nationality: Greek
George’s yachting career began in 2016 as a deckhand. His ability to quickly learn the trade led him to become a skipper on daily cruise catamarans and sailing boats in the Greek islands. George is selfmotivated, organized, and a true team player. Prior to becoming a seaman, George worked as a security guard for high-profile individuals at a TV production company in Greece and completed military service on the Hellenic Special Forces. In addition to his work, George enjoys traveling, hiking, swimming, and participating in watersports. He also holds a scuba diving open water license.

Name: Stamatis Mantzouranakis
Position: Deckhand
Nationality: Greek

After earning a degree in furniture design and wood technology from the University of Thessaly, Stamatis honed his skills as an industrial designer and installer of windows and doors. In 2021, he made a seamless transition to the yachting industry, complementing his diverse background. Alongside his studies, Stamatis also embraced the art of mixology, serving as a barista and bartender. With an 18m Open Water Dive PADI certificate, he passionately explores the depths of the sea during his free time. Stamatis is a dynamic professional with a love for innovation and the open waters.

Name: George Kollias
Position: Deckhand
Nationality: Greek

In 2020, George seamlessly transitioned into the yachting industry, dedicating himself as a deckhand on charter yachts after honing his customer service skills as a store manager. Renowned for his unwavering work ethic, organizational prowess, and exceptional teamwork, George stands as invaluable asset to the team! His enthusiasm for the yachting realm fuels his aspirations for career advancement. Beyond the maritime world, George revels in travel, fishing, and gaming during his free time. He speaks both English and Greek.

Name: Paraskevi 'Evi' Theodoraki
Position: Deckhand
Nationality: Greek

Evi began her yachting career in 2014, building on her previous experience in the hospitality industry as a waitress and bartender. She holds a Captain’s Class C certificate and has served as an apprentice officer and deck cadet on passenger ships, gaining solid knowledge of maritime operations and deck procedures. With strong communication skills, attention to detail and a reliable work ethic, she is a dependable and proactive member of the deck team. Outside of work, Evi enjoys exploring new destinations. She is fluent in Greek and English.