Every batch, we invite a few awesome builders to join as mentors.
They’ve been there, they’ve shipped things, they know the ups and downs.
They come hang out with the batch, share what they’ve learned, and help others keep going.
No gurus, no gatekeeping. Just builders helping builders.
Batch W25
Yoann Lopez
Yoann Lopez is the founder of Snowball, one of the largest personal finance newsletters in France. He started Snowball as a side project, building it in public and growing a community of thousands of readers and paying subscribers. A true builder at heart, Yoann openly shares his journey, the ups and downs of entrepreneurship, and lessons learned along the way.
Jean Patry
Co-founder of Mojo (50M+ users), Jean is a product-minded builder with a unique eye for design. From AR startup to Y Combinator to creating one of the first video editors for Reels before it became a trend. Jean has built, grown, and exited a product people love. His journey is a masterclass in patience, clarity, and quiet execution.