Achievements
- Co-founded and led teams at Learning Club and Avdice early in his career
- Scaled and managed engineering teams as CTO and VP at JobTeaser from 2013 to 2020
- Joined Y Combinator in S21 batch, a top startup accelerator
- Since 2021, co-founder and CTO of Carbonfact, developing tools to cut fashion industry carbon emissions
- Led the development of scalable lifecycle assessment tools at Carbonfact to combat climate change
- Contributed to public health as a volunteer at Covidliste in 2021
This is Romain Champourlier
Spotlight on the one and only Romain Champourlier. This guy’s a total badass in the tech and sustainability game. He jumped into the startup world back in 2011, co-founding and leading teams at a bunch of places like Learning Club and Avdice. Dude’s been all about building stuff that actually matters, from learning platforms to fintech tools.
But what really sets him apart is his switch to tackling the climate crisis. Since 2021, he’s been the co-founder and CTO of Carbonfact, a company that’s crushing it in the fashion industry by creating life-cycle assessment tools to cut down carbon emissions. Think about it, he’s not just coding for the sake of it, he’s using tech to fight climate change, which is some advanced purpose.
Before that, he was at JobTeaser, where he scaled up engineering teams and managed the tech side of a fast-growing company. That’s where he learned how to build and lead at scale, super important when you’re trying to make real impact with your startup.
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Talk to herRomain’s story is all about evolution. He started in consulting at BNP Paribas and France Telecom, diving into network security and data science. You can tell he’s got a solid engineering brain but also a passion for business and social impact. Plus, he’s plugged into the future, took a course on prospective at Institut des Futurs souhaitables, so he’s always thinking ahead.
He’s YC alum, graduated from the S21 batch, which is no joke. That’s the real deal in startup land. Now he’s based in Boulogne-Billancourt, France, but his mind’s global. When he’s not coding or building climate tech, he’s into books about society, sci-fi, cyberpunk, basically, he’s obsessed with how tech shapes the future.
Bottom line? Romain is one of those founders who’s not just in it for the hustle, he genuinely cares about making a difference. His whole process screams that he’s driven by purpose, innovation, and a deep belief that tech can change the world, especially when it comes to fighting climate change. No cap, this guy’s a force to be reckoned with.

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