Meet the team
We are a team of dedicated professionals, ready to do what ever it takes to make your business grow
Rotterdam office
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 Sanders
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.
Erica Etman-Tieman
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 Esmeijer
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.
Rachid Amrane
Rachid is well-versed in Crewing management within maritime and energy sectors. As Consultant Crewing & Careers at TRESIOS, his social skills enhance his ability to coordinate project crews effectively.
Athens office
Nikolaos Malissovas
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.