Name: George Karadimas
Nationality: Greek
Position: Chief engineer
Position details: Engineer
Languages: Not specified
Description: George Karadimas is a Greek Marine Engineer Class B', born in 1992 and based in Athens. He holds a Bachelor's Degree in Marine Engineering from the Merchant Marine Academy (2017) and has accumulated nearly a decade of hands-on experience across a range of vessels, including LNG carriers and large crude oil tankers (up to 284m). His sea service includes roles with notable operators such as Maran Gas, Attica Group, and Megatugs Salvage & Towage, where he has been responsible for machinery maintenance, repair, chemical management, and cargo operations. He is STCW/78 Advanced certified with additional training in oil and gas tankers, enclosed space entry, and cybersecurity. Fluent in Greek and English, George is described as a proactive team player with strong problem-solving and communication skills.
Name: Christianna Sechou
Nationality: Greek
Position: Stewardess
Position details: Stewardess
Languages: Not specified
Description: Christianna was born in 1981 and is a Greek. She brings a wealth of experience to the yachting industry, having developed strong skills in delivering exceptional service at the highest standards. Her commitment to excellence is evident through her extensive training and participation in numerous luxury service seminars, where she has gained invaluable expertise in guest care and interior management.
Before joining M/Y EFMARIA in 2025, Christianna served aboard M/Y MIZU, further refining her abilities in premium hospitality. Warm, attentive, and highly professional, she ensures that every guest feels welcomed and that the yacht’s interior is always maintained in immaculate condition.
In her free time, Christianna enjoys traveling and discovering new destinations. She speaks English.
Name: Nikos Koukouletsos
Nationality: Greek
Position: Deckhand
Position details: Deckhand
Languages: Not specified
Description: Nikos was born in 2000 and is a Greek national. He holds a Captain C’ Diploma from the Merchant Marine Academy of Syros. He began his career aboard tanker vessels, gaining a solid foundation in seamanship and safety operations, before transitioning into the yachting industry.
Nikos is a dedicated team player with a pleasant and positive attitude. He has strong knowledge of safety protocols and is responsible for the overall maintenance of the deck, including cleaning, polishing, and ensuring all exterior areas of the yacht remain in excellent condition.
Name: Thanasis Theoharis
Nationality: Greek
Position: Captain
Position details: Captain
Languages: Not specified
Description: Captain Thanasis was born in 1986 and holds a Captain C Class Certificate as well as an open-sea sailing license. With extensive experience in both commercial shipping and luxury charter yachting, he has built a strong reputation for professionalism, reliability, and delivering exceptional guest experiences.
He began his maritime career aboard tankers, gaining valuable expertise in navigation, ship operations, and international trade routes. In 2018, he transitioned into the yachting industry and has since captained several motor and sailing yachts. Prior to joining M/Y EFMARIA in 2025, he spent three years as Captain of S/Y White Pearl.
Highly knowledgeable about the Greek islands, Captain Thanasis specializes in designing bespoke itineraries, guiding guests to hidden coves, secluded beaches, and lesser-known destinations far from the crowds. Whether guests are seeking adventure or relaxation, he is dedicated to creating a personalized and unforgettable onboard experience.
Beyond his professional background, Captain Thanasis has a passion for travel and music. He speaks fluent English and is committed to ensuring every voyage is safe, enjoyable, and truly unique.
Name: Aimilios Kanderakis
Nationality: Greek
Position: Chef
Position details: Chef
Languages: Not specified
Description: Aimilios was born in 1979 in Greece and is a graduate of the Tourism School of Corfu. He brings over 25 years of culinary experience from luxury hotels, renowned restaurants—such as the Ledra Marriott Athens Hotel and Nice’n’Easy—and from working as a private chef. Before joining M/Y EFMARIA, he spent three years aboard M/Y Rini, further refining his skills in high-end yacht gastronomy.
Highly creative in menu planning and presentation, Aimilios places great emphasis on freshness, cleanliness, and impeccable hygiene standards. He works closely with the stewardess team to ensure seamless, elegant service for every meal.
Passionate about his craft, Aimilios enjoys exploring local markets to discover fresh ingredients, experimenting with new flavors, and staying up to date with evolving culinary trends. He believes in offering guests a memorable dining experience that perfectly complements the luxury yachting lifestyle, always taking time to understand their preferences and tailor each menu accordingly.
George Karadimas — Chief engineer (Greek)
George Karadimas is a Greek Marine Engineer Class B', born in 1992 and based in Athens. He holds a Bachelor's Degree in Marine Engineering from the Merchant Marine Academy (2017) and has accumulated nearly a decade of hands-on experience across a range of vessels, including LNG carriers and large crude oil tankers (up to 284m). His sea service includes roles with notable operators such as Maran Gas, Attica Group, and Megatugs Salvage & Towage, where he has been responsible for machinery maintenance, repair, chemical management, and cargo operations. He is STCW/78 Advanced certified with additional training in oil and gas tankers, enclosed space entry, and cybersecurity. Fluent in Greek and English, George is described as a proactive team player with strong problem-solving and communication skills.
Christianna Sechou — Stewardess (Greek)
Christianna was born in 1981 and is a Greek. She brings a wealth of experience to the yachting industry, having developed strong skills in delivering exceptional service at the highest standards. Her commitment to excellence is evident through her extensive training and participation in numerous luxury service seminars, where she has gained invaluable expertise in guest care and interior management.
Before joining M/Y EFMARIA in 2025, Christianna served aboard M/Y MIZU, further refining her abilities in premium hospitality. Warm, attentive, and highly professional, she ensures that every guest feels welcomed and that the yacht’s interior is always maintained in immaculate condition.
In her free time, Christianna enjoys traveling and discovering new destinations. She speaks English.
Nikos Koukouletsos — Deckhand (Greek)
Nikos was born in 2000 and is a Greek national. He holds a Captain C’ Diploma from the Merchant Marine Academy of Syros. He began his career aboard tanker vessels, gaining a solid foundation in seamanship and safety operations, before transitioning into the yachting industry.
Nikos is a dedicated team player with a pleasant and positive attitude. He has strong knowledge of safety protocols and is responsible for the overall maintenance of the deck, including cleaning, polishing, and ensuring all exterior areas of the yacht remain in excellent condition.
Thanasis Theoharis — Captain (Greek)
Captain Thanasis was born in 1986 and holds a Captain C Class Certificate as well as an open-sea sailing license. With extensive experience in both commercial shipping and luxury charter yachting, he has built a strong reputation for professionalism, reliability, and delivering exceptional guest experiences.
He began his maritime career aboard tankers, gaining valuable expertise in navigation, ship operations, and international trade routes. In 2018, he transitioned into the yachting industry and has since captained several motor and sailing yachts. Prior to joining M/Y EFMARIA in 2025, he spent three years as Captain of S/Y White Pearl.
Highly knowledgeable about the Greek islands, Captain Thanasis specializes in designing bespoke itineraries, guiding guests to hidden coves, secluded beaches, and lesser-known destinations far from the crowds. Whether guests are seeking adventure or relaxation, he is dedicated to creating a personalized and unforgettable onboard experience.
Beyond his professional background, Captain Thanasis has a passion for travel and music. He speaks fluent English and is committed to ensuring every voyage is safe, enjoyable, and truly unique.
Aimilios Kanderakis — Chef (Greek)
Aimilios was born in 1979 in Greece and is a graduate of the Tourism School of Corfu. He brings over 25 years of culinary experience from luxury hotels, renowned restaurants—such as the Ledra Marriott Athens Hotel and Nice’n’Easy—and from working as a private chef. Before joining M/Y EFMARIA, he spent three years aboard M/Y Rini, further refining his skills in high-end yacht gastronomy.
Highly creative in menu planning and presentation, Aimilios places great emphasis on freshness, cleanliness, and impeccable hygiene standards. He works closely with the stewardess team to ensure seamless, elegant service for every meal.
Passionate about his craft, Aimilios enjoys exploring local markets to discover fresh ingredients, experimenting with new flavors, and staying up to date with evolving culinary trends. He believes in offering guests a memorable dining experience that perfectly complements the luxury yachting lifestyle, always taking time to understand their preferences and tailor each menu accordingly.
