Services

Innovation

I create new product ideas or push your current idea further. By building and testing hands-on, we figure out what actually works. You get working prototypes and validated concepts ready for the next step.

Validation

I validate product ideas through user research, technical testing and data analysis. You get clear answers on what works, what doesn’t, and what to build next.

Product Leadership

I work with both engineers and management and translate between the two. Teams stay aligned and projects keep moving. You get products delivered on time with clear roadmaps everyone understands.

Work

Delivering a top educational experience to 172k students and teachers each day.

Bringing an artist’s vision to life on a real piece of Dutch highway.

Combining textiles and electronics to bring a patent to life.

Lighter solar panels make it possible to place them on almost every roof.

What clients are saying

Project Management

“His ability to manage multiple initiatives while keeping a strong focus on detail and timelines was impressive”

Gavin Esajas
Group Product Manager at Sanoma Learning

Data & Analysis Skills

“He consistently demonstrated a deep understanding of complex data and could break it down into clear, actionable insights”

Virginie Wagenaar
Product Manager at Malmberg

Results & Problem Solving

“Very result-oriented. He knows how to transform difficult requirements into creative and economically viable solutions”

Gerard de Leede
CTO Heijmans Technology

Versatility & Expertise

“He’s been working as a Business Analyst, but on top of this he has acted as PO, Scrum Master, Tester, UX Designer and UX Researcher when needed”

Katariina Mäkelä
Competence Lead, Sanoma Learning

Client-Focused Problem Solving

“Quick to understand and to translate clients’ needs in cutting edge proposals”

Jozien van de Linde
Managing Director Heijmans Technology

Balanced Approach

“Stefan is an enthusiastic and driven designer, creative while also being very structured.”

Huib van den Heuvel
CSP Solarge & Co-founder

About

I have a background in Industrial Design with experience across multiple fields from hardware to software.

I’m proud to have worked on safer roads, renewable energy, and digital education.

I work best with down to earth clients who trust their people and value making informed decisions.

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