THRYSS Navigation provides integrated maritime solutions focused on ship management, spare parts supply, and technical services.

Our operations are guided by professionalism, reliability, and a clear commitment to supporting shipowners and operators with efficient, transparent, and value-driven services.

THRYSS’s TEAM

Mr. Fotis Tsopouroglou – Chief Executive Officer (CEO)

Mr. Tsopouroglou is a Marine Engineer and graduate of the National Merchant Marine Academy, holding an MSc in Marine Engineering from Plymouth University (UK).

He also holds a Chief Engineer’s License and has accumulated 16 years of sea-going experience across all types of cargo vessels.

Following his service at sea, he has spent over 15 years in shore-based positions as Superintendent Engineer, Fleet Manager, and Technical Manager in leading Greek shipping companies active in both the dry bulk and oil tanker sectors.

As Director of International Seaways Shipping Co., he successfully developed commercial cooperation with Cargill S.A., structuring long-term chartering and financing agreements for dry bulk vessels.

He has supervised multiple dry dockings, major repairs, and newbuilding projects in Chinese shipyards, while also managing Rightship inspections and numerous hull and machinery claims with an exceptional success rate.

Mr. Tsopouroglou is also a member of the DNV-GL Technical Committee.

Mr. Alexandros Vennis – HSQE & Vetting Director

Mr. Vennis holds a BSc in Maritime Business & Law and an MSc in Marine & International Transport.

With over 25 years of experience in Safety, Quality, Environmental (SQE) Management, and Marine Vetting, he has held senior positions in reputable Greek and international shipping companies operating both dry and wet cargo fleets.

Throughout his career, Mr. Vennis has ensured full compliance with international safety, environmental, and vetting standards, establishing a reputation for operational excellence and reliability within the maritime sector.

Mr. Georgios Tsakonas – Technical Director/C.O.O.

Mr. Tsakonas is a Chief Engineer and graduate of the National Merchant Marine Academy, with extensive operational and academic credentials.

He has served over 20 years at sea onboard bulk carriers and container vessels, and possesses significant expertise in worldwide drydockings, vessel repairs, and afloat maintenance projects.

He holds an MSc from the University of Strathclyde and an MBA from the University of Northampton (UK).

As Technical Director, Mr. Tsakonas has developed robust operational and managerial skills, ensuring vessel performance, technical integrity, and financial efficiency.

He is well-versed in the latest regulatory frameworks and is a member of the UK Engineering Council and the Institute of Marine Engineering, Science & Technology (IMarEST).


THRYSS Navigation Ltd.

112, Alexandrou Panagouli Str.
15343 Athens - Greece
T: +30 697 058 3958
T: +30 693 718 8173
Email: info@thryss.com

WE MOVE YOUR WORLD

 

THRYSS NAVIGATION LTD is a privately owned Greek ship management company specializing in the operation and management of modern bulk carriers and other vessel types across international trade routes.

 

With an unwavering commitment to safety, quality, and environmental responsibility, we provide value-driven management solutions to vessel owners, ensuring optimal performance, compliance, and reliability.

 

We operate our managed fleet in full accordance with international maritime conventions and best industry practices, maintaining:

 

- Strict safety and risk-management protocols

- Comprehensive preventive maintenance programs

- Strong environmental stewardship

- Full operational transparency and accountability

 

Our corporate philosophy is rooted in the belief that operational excellence begins with people.

 

Both our shore-based and seagoing personnel are highly skilled professionals who share our values of professionalism, integrity, and continuous improvement

 

Our management team consists of seasoned maritime experts with over 35 years of combined sea and shore experience, ensuring the highest standards of operational efficiency, safety, and regulatory compliance.

 

THRYSS NAVIGATION maintains a close working relationship with Cargill (approved HBBC), both directly and through Cargill’s authorized entities in Greece, reinforcing our dedication to excellence and long-term collaboration with leading charterers and trading houses.

 

Through proactive maintenance strategies and a culture of innovation, every vessel under our management operates at peak performance,  safe, efficient, and fully aligned with international maritime regulations.

Ship Management

 

THRYSS Navigation undertakes the full technical and operational management of vessels, with an uncompromising focus on safety, reliability, and regulatory compliance.

 

Our management philosophy is built on experience, discipline, and commitment to maintaining vessels in optimal condition throughout their operational life.

 

We apply a preventive maintenance strategy, ensuring that potential issues are identified and addressed before they impact performance or safety.

 

Through continuous monitoring, technical supervision, and data-driven performance analysis, we achieve maximum vessel uptime and cost-effective operation.

 

Our management services encompass every operational aspect, from crew coordination, safety drills, and voyage planning to technical maintenance, documentation, and environmental compliance.

 

All procedures are executed in alignment with ISM Code, Maritime Labour Convention (MLC), and international maritime conventions, guaranteeing full transparency and accountability to vessel owners and charterers.

 

At THRYSS Navigation, we understand that ship management is not only about operational control but also about trust.

 

Our dedicated team ensures that each vessel under our care operates safely, efficiently, and profitably, protecting both the owner’s investment and the integrity of maritime operations.

Marine Spare Parts Supply

 

Through our specialized Marine Spare Parts Supply Division, THRYSS Navigation provides a wide range of genuine and certified spare parts for marine machinery and equipment, including main and auxiliary engines, compressors, pumps, separators, purifiers, valves, and deck machinery.

 

Our sourcing network extends across trusted OEMs and authorized global suppliers, ensuring that every part supplied meets or exceeds international quality and classification standards.

 

By maintaining direct relationships with manufacturers and logistics partners, we guarantee timely delivery, accurate documentation, and full traceability for every component supplied.

 

We recognize that vessel downtime can lead to significant operational and financial losses.

 

For that reason, our supply chain and logistics processes are designed for speed, precision, and dependability, ensuring that vessels remain in service with minimal disruption.

 

Our commitment is straightforward: to support our clients fleets with reliable, high-quality parts and technical assistance, enabling safe, uninterrupted operations without compromise in quality or compliance.

Technical & Survey Services

 

THRYSS Navigation offers a comprehensive portfolio of marine technical, inspection, and survey services designed to support shipowners, charterers, and operators in maintaining vessel performance, compliance, and asset integrity.

 

Operating across more than 70 ports throughout Africa, Central, and South America, our network of qualified surveyors and marine engineers ensures rapid mobilization, technical accuracy, and consistent service delivery in diverse and challenging environments.

 

Our clients rely on our team for objective, independent reporting that enables informed operational and commercial decisions.

 

Our specialized services include:

 

Bunker Survey Services

 

THRYSS Navigation provides professional Bunker Survey Services to ensure accuracy, transparency, and fairness in all fuel-related transactions.

 

Our experienced marine surveyors conduct detailed measurements to verify the exact quantity of bunkers onboard during delivery, receipt, on-hire, and off-hire operations.

 

By applying internationally recognized methods and calibrated instruments, we protect our clients’ interests, prevent disputes, and ensure full compliance with industry and environmental standards.

 

Vessel Performance Evaluation

 

THRYSS Navigation offers comprehensive Vessel Performance Evaluation services to assess and optimize the operational efficiency of vessels.

 

Through continuous monitoring of speed, consumption, hull condition, and machinery performance, we provide detailed performance analytics that support informed decision-making.

 

Our evaluations help identify potential inefficiencies, reduce fuel costs, and enhance overall fleet reliability, ensuring vessels perform at their maximum potential under all trading conditions.

 

Electronic Inventory Management

 

Our Electronic Inventory Management system provides a modern, digital solution for controlling, monitoring, and updating vessel spare parts and consumables.

 

THRYSS Navigation implements structured electronic tracking tools that ensure full visibility and traceability of all onboard materials, reducing administrative workload and eliminating errors.

 

This system enhances procurement efficiency, cost control, and operational readiness across the fleet.

 

Pre-Inspection for Port State Control (PSC)

 

THRYSS Navigation conducts Pre-Inspections for Port State Control (PSC) to ensure vessels are fully compliant with international regulations and ready for official inspection.

 

Our team performs detailed onboard assessments covering documentation, safety equipment, machinery, and operational procedures. By identifying and rectifying potential deficiencies in advance, we minimize the risk of detention, delays, or penalties, ensuring smooth and uninterrupted vessel operations.

 

RIGHTSHIP Vetting Preparation

 

Our RIGHTSHIP Vetting service assists shipowners and managers in achieving and maintaining the high standards required by charterers and vetting organizations.

 

THRYSS Navigation’s technical team conducts in-depth audits and compliance checks aligned with RIGHTSHIP’s inspection criteria.

 

We provide corrective guidance, crew training, and documentation support to enhance the vessel’s safety, environmental, and operational profile, maximizing the likelihood of a successful vetting outcome.

 

RPE Purchase Inspection

 

THRYSS Navigation offers RPE (Receiving, Pre-Delivery, and Evaluation) Purchase Inspections to verify the quality, condition, and conformity of purchased equipment or spare parts before delivery onboard.

 

Our certified inspectors ensure that all supplied components meet contractual and technical specifications, are free from defects, and comply with class and manufacturer standards.

 

This proactive inspection process helps prevent costly delays, warranty claims, and operational issues arising from substandard materials.

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