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. 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. Stelios Laios

Mr. Stelios Laios

NAVAL ARCHITECT AND MARINE ENGINEER
Mr. Stelios Laios graduated from the National Technical University of Athens with a Bachelor and Master’s degrees in Naval Architecture and Marine Engineering. During his studies, he completed short internships in maritime companies allowing him to gain valuable practical experience. In November 2022, he joined Navinco Ltd dealing with naval architectural studies, 2D & 3D modeling, as well as pre-purchase and condition surveys. He has also participated in a Navinco new-building project in the Netherlands as an assistant superintendent engineer
Mr. Rafail Boulios

Mr. Rafail Boulios

NAVAL ARCHITECT AND MARINE ENGINEER
Mr. Rafail Boulios graduated in Naval Architecture & Marine Engineering with a bachelor’s and master’s degrees from the National Technical University of Athens. He has worked for a contractor of Chalkis and Onex shipyards as a Ship Repair Manager. He joined Navinco Ltd in May 2023
Mr. Nikos Boufeas

Mr. Nikos Boufeas

NAVAL ARCHITECT AND MARINE ENGINEER
Mr. Nikos Boufeas holds a M.Eng. in Naval Architecture and Marine Engineering from the National Technical University of Athens and a M.Sc. in Marine Engineering from the Strathclyde University. After his studies, he worked in tankers’ ship-owning companies for 6 years as a Superintendent Engineer. In May 2023, he joined Navinco as a member of the project management team.
Mr. Petros Georgariou

Mr. Petros Georgariou

NAVAL ARCHITECT AND MARINE ENGINEER
Mr. Petros Georgariou is a BEng and MEng graduate in Naval Architecture & Marine Engineering (2016-2021 University of Strathclyde, Glasgow). During the summer holidays of his studying years he completed internships in the Technical, Operational and IT departments of three different shipping companies. Additionally, during the summer of 2021 he worked for the Sailing venue of the Olympic Games of Tokyo . Following his graduation and completion of military service, he worked for a year full time as a Superintendent Engineer onboard container, tanker and bulker vessels overseeing the installation of Ballast Water Treatment Systems (BWTS). As of July 2023 he joined Navinco’s engineering team.
Mrs. Korina Zervou

Mrs. Korina Zervou

NAVAL ARCHITECT AND MARINE ENGINEER
Mrs. Korina Zervou graduated from the National Technical University of Athens with a Bachelor and Master’s degrees in Naval Architecture and Marine Engineering.
Following her graduation she worked for the R&D department of a private sector’s company collaborating with NTUA in the field of composite materials.
She has specialized in finite element and experimental methods of structural analysis.
As of December 2023, she joined the engineering team of Navinco Ltd and is currently involved in various engineering studies, drawings and surveys.
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.
Mr. Christos Papasakellariou

Mr. Christos Papasakellariou

YACHT MANAGER
Mr. Christos Papasakellariou graduated with Bachelor and Master’s degrees from the University of Aegean and University of Piraeus respectively in Maritime Studies. During his studies (1999-2005), he joined several maritime companies as a trainee, developing both academic and practical knowledge.   In 2006, he got involved in travel industry and from 2012 till March 2023 worked as operational manager of incoming department, dealing- among all- with yachting industry.   During this period, he acquired good knowledge of the yachts’ requirements having communication with lots of customers and suppliers from the field. In April 2023, he grasped the opportunity to work dedicatedly for yachting industry by joining Navinco’s Yacht Management team.
Mr. Konstantinos Biliousis

Mr. Konstantinos Biliousis

NAVAL ARCHITECT
Mr. Konstantinos Biliousis holds a Master’s degree in Naval Architecture from the University of West Attica. He joined Navinco in 2022 as a junior trainee and he was involved in various projects requiring his daily presence in the shipyard. He then proceeded to join full-time as a member of the project management and design team.
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 and continues her education with a master’s degree at the University of Piraeus (MSc in Shipping).
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, communications with suppliers and various others.
Mrs. Vasileia Markogiannopoulou

Mrs. Vasileia Markogiannopoulou

Accountant
Mrs. Vassilia Markogiannopoulou, a graduate in Public Administration from Panteion University, pursued a career in Economics.
She commenced her decade-long professional journey by choosing the income department of the Tax Office in Aigaleo for her internship.
In recent years, she has been actively employed in the accounting field, initially involved in invoicing, and subsequently, with general ledger and payroll matters. Actively investing in her professional development, Mrs. Markogiannopoulou attends seminars focusing on enhancing her skills in the areas of accounting, payroll, and labor-related matters.
In November 2023, she joined the Navinco Ltd team, where she is involved in payroll and general ledger activities.