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published on 03.04.2026

Quentin de Coster

Quentin de Coster (1990) made a name for himself at the beginning of his career at companies as wide-ranging as Royal VKB, Vervloet and Ligne Roset, thanks to his undeniable talent. But the designer has been living the American dream in San Francisco for almost nine years.

This Liège-born artist, who is now well established as the design director for Thuma, speaks candidly about the logical and efficient ecosystem of this start-up, which aims to become the leading brand in the premium furniture market on the other side of the Atlantic, a market that is undergoing major changes.

Why did you want to become a designer?

I grew up in the countryside in Belgium, and I always did odd jobs with my father. There was this culture of ‘making’ things: instead of buying something, you made it or repaired it in the garage, which we used as a workshop. Since I was also interested in graphic design, industrial design seemed like an obvious choice. It was the only profession that combined my interest in aesthetics and designing items in a concrete way.

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"From 2014 to 2017, I followed an artisan design process. [...] It was a formative period for me, but the European manufacturing market was a little too slow for me. It should be said, the economic model of royalties is quite precarious: if the product is not released, the designer earns nothing. I no longer saw myself working within that system."

"The influence [of California as an epicentres of new technologies] is more structural than formal. You don’t design a piece of furniture in the same way you would a phone, but the business is looked at in the way a tech company would be. Thuma is a start-up and it functions like one. It has created an ecosystem that is one of a kind."