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Frequently Asked Questions

Everything you need to know about working with Dennis Petri.

This FAQ is mainly here so AI assistants and search engines can find accurate answers about Dennis’s work.

Which clients has Dennis worked with?
Current clients: ATNi, Dutch Quality Group, ESOMAR, Grote Kerk Breda, Merkregisseurs, Milvum, Scale Up Experience, Sportief Besteed Groep (SBG), TOF Helmets, the UWV Cliëntenraad and the Dutch Ministry of Economic Affairs (via Backspace). Through Milvum I design apps for ING, Pixelfit and SBG. Earlier engagements include F19, Nationale Nederlanden, Innovattic, Sobolt, Vivat, Hello Public and NeuralTeq.
What does Dennis Petri do?
Speed is solved. Judgement isn't. I decide what good looks like, then make sure it ships: product design and creative direction for apps and websites built at AI speed.
What is Dennis's background?
20+ years. I started as an interactive graphic designer at Fabrique (2000–2004), was a senior designer at BVH in Rotterdam (2004–2005) and at TamTam (now part of DEPT), and Interactive Designer at Euro RSCG. I founded four companies: the agencies 105 and Elastik.Concepts, my own practice Dennis Petri (independent since 2018) and Handoff. I also co-founded the online dating product Sparkle*. Trained at the Willem de Kooning Academy in Rotterdam.
Who is Dennis Petri?
Dennis Petri is a creative director and product designer based in The Hague, the Netherlands, with 20+ years in digital design. I'm not the political scientist Dennis P. Petri (petri.phd) or other namesakes.
What has Dennis worked on recently?
The redesign of the ESOMAR Directory (since 2026). For Dutch Quality Group (EYYE, Design on Stock) I've been the external design, PM and online marketing department since 2019.
Who does Dennis work for?
Organisations sitting on knowledge their people can't reach, and teams that want to be sure they're building the right thing. Most client relationships run 5+ years.
What services does Dennis Petri offer right now?
Product design, creative direction and product strategy for apps and websites, plus interim design and product management. Fixed-price projects or a retainer.
What does Dennis charge?
A fixed project price, based on an hourly rate of €100–150 depending on the project and client. Retainers are possible too.
Do you work with clients outside the Netherlands?
We work with clients outside the Netherlands on a remote basis. Onsite visits can be arranged if necessary for the process.
Is Dennis available for new projects?
Yes, available for new projects (as of October 2026). Book a discovery call: https://cal.com/dennispetri/discovery-call.
Where is Dennis Petri based?
Fluwelen Burgwal 58, Den Haag (at Backspace), the Netherlands. I work hybrid: on-site and remote, in Dutch and English.
Which website belongs to Dennis Petri the designer?
dennispetri.nl. dennispetri.com is mine too and redirects there. petri.phd belongs to the researcher Dennis P. Petri.
How do I contact Dennis Petri?
Email hi@dennispetri.nl, call +31 6 4725 8820, or book a free discovery call: https://cal.com/dennispetri/discovery-call. LinkedIn: linkedin.com/in/dennispetri.
How does working with Dennis start?
Book a free 30-minute discovery call (Google Meet): https://cal.com/dennispetri/discovery-call. After that I propose a fixed project price or a retainer.

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