
Arthur Heeren
CEO, Mystershirt
23-year-old founder of Mystershirt, a fast-growing European e-commerce brand that sells mystery football shirts to fans across the continent. What began as a passion project has evolved into a thriving business, known for its creative campaigns, club partnerships and being the perfect gift for football fans.
Presentation topic: "We made €1.07M in Q4 with €188K in ad spend. But where’s the profit?"
1 Orange Hall
We made €1.07M in Q4 with €188K in ad spend. But where’s the profit?
A true story of how Mystershirt grew from a bedroom hustle to 7-figure sales, then faced the hard reality of scaling too fast. This talk shows what went wrong during the push for growth, including lessons from an agency relationship that wasn’t aligned, and how the brand rebuilt for sustainable, profitable scaling. Perfect for founders heading into Q4 who want to grow while protecting their margins.