Our Team

Meet our colleagues

Get to know our departments and our colleagues. Find your contact person here for the right information. If you cannot find the right person, you can always call our general phone number or fill in a contact form.



Our Sales department consists of approx. 25 dedicated Inside and Outside Sales specialists is responsible for the day-to-day contacts with our more than 2000 active customers around the globe. From smaller standard orders to specially engineered solutions: our specialists know how to advise and assist our customers in the most optimal way. Always there when you need us.

We have separated our sales department in three main segments: Marine, Industry and Water. Our specialists have built up in-depth knowledge of their segment, and the application of our products in the specific segments. Please contact us by using the following link to experience the added value of the Wouter Witzel sales staff yourself!

Bonne Hijlkema
Commercial Director

Team Shipbuilding

Segment Manager
Justin Bijenhof
mail:j.bijenhof@wouterwitzel.nl tel:+31 53 536 9521
Germany + Eastern Europe
Ronald Semken
mail:r.semken@wouterwitzel.de tel:+49 175 9908 134

Team Water

Team Industry

Segment Manager
Martijn van den Bergh
mail:m.vdBergh@wouterwitzel.nl tel:+31 53 536 9546
North-Western Europe
Stijn Reimert
mail:s.reimert@wouterwitzel.nl tel:+31 53 537 4074

Business Development

Product Management

Products main V2


Our operations department is running the actual manufacturing processes at our factory in Losser, NL. Every day, Operations is making sure service deals with our customers are carried our according expectations.

Work preparation, planning, logistics, matching, vulcanization, coating, assembly and testing are key elements for Operations. Feel free to contact below expert for your related questions.

Wim Brink
Operations Director
mail:w.brink@wouterwitzel.nl tel:+31 53 536 9536

Met bril


At Wouter Witzel Eurovalve, we rely heavily on our supplier network. Long-team relationships, close cooperation and transparency with our suppliers help us in achieving our goals. With the help of our suppliers, we invest in developing and meeting our requirements in optimal quality, cost, logistics, innovation and sustainability. We are committed to conducting our purchasing activities in a caring and accountable manner.

To ensure a well-performing supply chain, we conduct annual vendor ratings with our strategic suppliers to ensure that risk areas are noticed and proper actions are taken to avoid any disruptions. Proactive- and innovative behavior of our suppliers is encouraged and also rewarded in our supplier performance measurement.

In case you are interested to become a supplier to Wouter Witzel Eurovalve, please contact us!

Michel Bakker
Purchase Manager
Actuation, rubber and trade products
William Koenders
Strategic purchaser
mail:w.koenders@wouterwitzel.nl tel:+31 53 537 4058
Castings and machined products
Priscilla Maas
Strategic purchaser
mail:p.maas@wouterwitzel.nl tel:+31 53 537 4023



Our Project department is handling non-standard (project)orders to make sure every agreed milestone promise is kept. Customer specific specifications are evaluated and translated into related processes and (project)documentation.

Our project engineers are specialized in meeting our service deal, even for most complex project orders, like Oil&Gas, Chemical, Power Generation and more type of industries. Feel free to contact your project related contact person for related questions.

Edwin van der Horst
Team Manager
Project Engineer
Stefan van Gils
mail:s.vangils@wouterwitzel.nl tel:+31 53 537 4034
Project Engineer
Mignon Goeree
mail:m.goeree@wouterwitzel.nl tel:+31 53 537 4067
Project Engineer
Mike Hogeling
mail:m.hogeling@wouterwitzel.nl tel:+31 53 536 9587



To meet the strictest, normalized- or customer specific specifications, we need to keep and control our quality levels to the highest possible standards. Our team of qualified inspectors keep a close eye on daily- and project specific quality aspects of manufacturing our butterfly valves.

QHSE is also responsible for creating and supervising Health-, Safety and Environmental processes and regulations. Feel free to contact us for your related questions.

Bas Nijhuis
QHSE Manager


R&D / Engineering

Our R&D engineers are keeping us up to date with latest trends, technologies, standards and qualifications. Research, developing, prototyping and testing products is one of the key processes of R&D.

(project)order related engineering effort is a daily routine for our Engineers. Documentation such as General Arrangement Drawings, Bill of Materials and more is generated to fulfill our service offer to our customers.

Tonny Pünt
Team Manager



Recruitment / hiring and staffing, training and personal development, compensation and benefits are just a few of many activities by our HRM department.

Making and keeping Wouter Witzel a preferred employer is our daily mission. Don’t hesitate to contact us to get to know us better and to learn about our offerings.


Cathy Simons
Team Manager

Met bril


Finance administration, reporting, budgeting and control are just a few of many tasks for the administration department.

Don’t hesitate to contact us for your related questions.

Karin Poulter - Stijl
Team Manager

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