12 Filellinon Street Piraeus 18536 Greece

Our Team

Mr. George Tsokris

Mr. George Tsokris

Managing Director

Mr Tsokris holds a B.Sc. and M.Sc. in Shipbuilding and Marine Engineering Technology from the University of Newcastle Upon Tyne (1985).

Before commencement of his studies he gained practical experience at sea as an apprentice engineer and in the summer months of his university
years he had been employed as an apprentice engineer by the American Bureau of Shipping in New Orleans, Avondale Shipyards in New Orleans and Hellenic Shipyards in Skaramanga, Greece.

He served 26 months at the Hellenic Navy serving as Engineer Junior Petty Officer and he subsequently joined Elefsis Shipyards (1988) for a sojourn, following which he joined the shipping company of Theodore Giavridis SA, where he remained for five years having reached Technical
Director’s status.

As of 1993 he is Partner and Managing Director of T&T Enterprises and Navinco.

Mr. Aristeidis Mantzaris

Mr. Aristeidis Mantzaris

Mechanical Engineer/ Marine Engineer (MSc)
Mr.Mantzaris holds a Masters Degree in Mechanical Engineering after studying at the National Technical University of Athens during the period 2000-2005. While interested in the Shipbuilding industry, he received a Masters Degree in Marine Engineering by the University of Newcastle Upon Tyne in 2006. Since 2007 he has been working for Navinco initially as member of the project management and design team in various projects and then as project developer and project manager. Since 2018 he has become a partner of the firm. He has participated in five yacht total reconstruction and repowering projects supervising structural, piping, electrical, mechanical and outfitting works and undertaken the technical management of yachts within Navinco’s activities.
Mr. George Christakopoulos

Mr. George Christakopoulos

Naval Architect & Marine Engineer
Mr. George Christakopoulos graduated in Naval Architecture and Marine Engineering with a Bachelor and Masters degrees from the National Technical University of Athens in 2010. In 2011 he completed his military service in the Greek Army and joined Navinco team as a Naval Architect and Marine Engineer, dealing with studies, technical drawings and on-site supervision of several yachts’ refit projects. In 2014 he joined Nakilat Damen Shipyards Qatar as a Material Coordinator and was involved in multiple new-building and refit projects, ranging from tugboats and pilot boats to megayachts. His main responsibilities included technical and commercial evaluation of all equipment and materials for Projects, managing a team of Procurement Specialists and coordinating with all involved parties. In 2017 he left NDSQ to return to Navinco Ltd as a Naval Architect and Marine Engineer where he engages in project management, budget compilation, development of technical specifications, technical drawings and studies and coordination with Clients, Classification Societies, subcontractors and suppliers. He has been part of numerous megayachts refit and repair projects.
Mr. Panagiotis Mereditis

Mr. Panagiotis Mereditis

Naval Architect
Mr. Mereditis holds a Degree in Naval Architecture after studying at the Technological Educational Institute of Athens during the period 2003-2008. Consequently, he was employed as a Naval Architect at the design department of Elefsis Shipbuilding and Industrial Enterprises S.A. Since 2010 he has been working for Navinco as a Naval Architect as part of the design team in various projects. He has participated in several total reconstruction and repowering projects with main objective the production of structural, piping, mechanical & arrangement drawings and supervision of relative installations.
Mr. Alexandros Andrianakis

Mr. Alexandros Andrianakis

Naval Architect & Marine Engineer
Mr. Alexandros Andrianakis graduated in Naval Architecture & Marine Engineering with a Bachelor and Masters degrees from the National Technical University of Athens. He joined Navinco Ltd in February 2016 and has insofar worked on several yacht refit projects, having undertaken tasks related to project management, Flag & Class regulations compliance and 2-D & 3-D design. During his time in Navinco Ltd has also served as Superintendent Engineer of charter yachts and has participated in pre-purchase, condition and damage surveys.
Mrs. Konstantina Bitha

Mrs. Konstantina Bitha

Naval Architect & Marine Engineer
Mrs. Konstantina Bitha graduated in Naval Architecture and Marine Engineering with a Bachelor and Masters degrees from the National Technical University of Athens. Following her graduation in 2014, she worked for Alpha Marine Consulting P.C. for 4.5 years, being involved in various aspects of consulting such as onboard attendances and surveys, inclining experiments, the preparation of shipboard manuals and drawings and the conduction of studies (steel coil loading, on deck loading, tonnage calculations etc.) for all types of commercial vessels. She was also involved in the Emergency Response Services and has attended sea trials of new building vessels in China. She has been working for Navinco Ltd since January 2019 dealing with naval architecture studies and design work. In parallel with her work, she is studying to earn her Masters degree in Business Administration (MBA) from the Hellenic Open University.
Mr. Antonis Keramidas

Mr. Antonis Keramidas

Yacht Manager
Mr. Antonis Keramidas got his B.Sc. in Maritime Studies from the University of Piraeus. During his studies (2012-2016), he joined several maritime companies as a trainee, developing both academic and practical knowledge. In April 2017, he got involved in M/Y Xana’s major refit project as an on-site operational manager from the owners’ side. Being on board from the purchase day until the end of sea trials, gave him no option but to dive into the yachting ocean. Developing good relationships with yacht specialists and some well-established yards in Greece, are just some of the benefits he collected from this project. In the meantime, he successfully completed the Yacht Brokerage Certificate, enriching his knowledge about this industry. All these combined with his passion about yachting, led Antonis to join Navinco’s Yacht Management team in 2021.
Mr. Konstantinos Tsokris

Mr. Konstantinos Tsokris

Yacht Manager
Mr Konstantinos Tsokris, holder of a B.Sc. degree, has studied Naval Architecture and Marine Engineering at the University of New Orleans, USA and at the Marine Institute of the Memorial University of New Foundland, Canada. He has additionally studied Sound Engineering at SAE Institute of Netherlands.   Mr. Tsokris did several internships with Navinco during his studies. As of September 2021 he is engaged full time as an Assistant Project Manager.
Mrs. Anna Vasilakou

Mrs. Anna Vasilakou

PA to the Managing Director
Mrs. Anna Vasilakou has been the PA to the Managing Director since 1994. She has been the Quality Control Officer of the company responsible for the annual renewal of ISO 9001:2015, as well as the head of commercial, administrative and financial departments.
Mrs. Konstantina Gkika

Mrs. Konstantina Gkika

Accountant
Mrs. Konstantina Gkika has graduated from the Department of Accounting & Finance of the Athens University of Economics and Business. She has two years of work experience in financial matters as an economist. She joined Navinco Ltd in March 2021 where she engages in the yachts management, budget compilation and communications with suppliers.