ourselves
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Issue 391:42:03JUN 2026Interview

Sebastien Vandecasteele

He Started With $0 and Cold Emails. Now Nike, Oakley & Wingstop Hire His Agency.

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It's not about what you always want. It's about what the other person wants.
Sebastien Vandecasteele1:40:20Hear it

The episode

Sebastien built SLAPS, a creative agency for some of the biggest brands in the world, with no design degree, no advertising background, and no industry connections. He started by cold emailing strangers, Googling what a branding agency even does, and selling a $5K identity to a local Indian restaurant.

Now SLAPS works with brands like Nike, Oakley, Wingstop, and Under Armour. In this conversation, Sebastien breaks down the real agency game: why sales is an art form, why you should never sell services, and why brands pay more for vision. This is the story of building taste, selling ideas, and turning zero connections into a world-class creative agency.

This is Ourselves with Sebastien Vandecasteele.

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