Meet the Team
We are a team of dedicated professionals, ready to do what ever it takes to make your business grow
Wouter van Wagtendonk
Accomplished and results-driven professional with more than 20 years extensive onshore and offshore experience in the construction industry.
Demonstrated success in driving project management life-cycle from tender, planning, and mobilization, to monitoring, control, and offshore execution. Adapt at mitigating project risks, designing systems, defining KPIs, and negotiating contracts. Ability to harness talents of teams, manage project at micro- and macro-levels, adjust to the challenges presented, and deliver on promises. With in-depth knowledge of construction installation techniques to recognise challenges impeded in theoretical and practical execution.
Ferry has 20+ years’ experience in the offshore & maritime industry. After completing the Harbour Management College, he started as boarding clerck at a small but famous shipping agent in the Port of Rotterdam.
After that he worked for various major companies in the maritime & offshore industry and has great knowledge and experience in vessel management and marine services.
He is still very much involved in the daily operations beside of managing the company together with Wouter.
With his strong academic technical qualifications and proven experience in the Offshore Industry, he will add great value for all our internal and external engineering needs, being able to lead both project preparation and execution phases. He is the focal point of contact for engineering services.
Nikolaos and the team in our newly opened Athens Office are able to tackle any engineering challenge towards the energy transition in the East Mediterranean Region.
Erica started her Tresios career as Crew Coordinator and Event Organiser. She managed over 40 crewmembers in international mob- and de-mob works. Her priority role nowadays is Executive Assistant. She also has a company-wide support function.
She has over 30 years’ experience in, among others, organisation, planning and administration. Her communication- , organisation- and service skills as well as her social abilities make her a valuable asset to the Tresios organisation.
She is a highly motivated and involved employee who does her utmost to support the Tresios Staff as well as our estimated clients and crew.
Brian is responsible for all our financial reports. With his extensive knowledge he delivers the tools to make sure our financial numbers are well organised and the correct cost calculations are made to controll our budgets.
Mariëtte van Rijn
Mariëtte has 10 years of experience in international crewing for the maritime and offshore industry. A proven track-record and a worldwide network of professionals to best serve our vessels, clients and crew.
With his international background in Sales and Construction, we believe that Eleftherios will be a strong asset to our Greek office, to serve our customers and prospects at the highest level.
Eleftherios will be responsible for all Business Development and commercial activities in Greece and the Eastern Mediterranean.
Ruben van Ooijen
Ruben is a professional with over 20 years of experience in the offshore construction industry. Focus on engineering assessment, and offshore installation techniques. His approach utilizes a range of tools and techniques to deliver end-to-end solutions.
There is always a need for skilled personnel with expertise. With his background and network in the offshore industry, he is able to pinpoint the client’s pain and accommodate the need.
Jelle is a specialist who recently graduated from the Higher Maritime Institution as Maritime Officer. Jelle supports the team on all Maritime operational matters.
With his technical background and commercial experience Dennis will form a bridge between engineering and innovations.
He will look for opportunities and initiate innovations for Tresios to claim new positions. A good addition to compliment our ambitions and strategy in the energy transition.
Dimitris is an offshore and civil structural engineer with a very strong theoretical and technical background. With his extensive engineering and construction experience in both offshore and onshore projects, he can provide customized solutions based on project needs. Dimitris leads the structural engineering department at Tresios.
Antonis is a highly motivated, dedicated and hardworking project engineer with a strong background in structural engineering. He is passionate about using efficient structural design to deliver high quality shore and offshore projects.
He has been involved as a Field Engineer with the Tresios team on the installation of a 48" pipeline project, including AWTI work.
He has always set ambitious goals to be the best he can be at any given time.
Ioannis has a Msc. in Civil Structural Engineering and gained extensive experience in retrofitting the structural design of existing buildings and supervising various types of buildings and structures in the private sector.
The variety of projects have allowed Ioannis to work in a structured manner and to think with a critical mind. Ioannis likes to challenge himself with projects of high complexity.
Stergos is an experienced and very motivated Civil Engineer with a demonstrated history of working in the construction industry. With his strong theoretical and technical background, he can deliver high-quality projects with the most efficient structural solutions according to the project’s needs.