Julien Dumazert

Julien Dumazert

Y Combinator Logo Batch: S19

Achievements

  • Co-founded Data Mechanics, Y Combinator Summer 2019 batch, platform acquired by NetApp 2021
  • Led data science and R&D teams at major companies like Content Square, BlaBlaCar, and Spot by NetApp
  • Studied at École Polytechnique and ETH Zürich, specializing in Machine Learning and Data Mining
  • Built expertise in AI, data science, and data engineering with roles at Huawei, Withings, and KAUST
  • Co-founded Storio Energy focusing on behind-the-meter batteries for clean energy solutions
  • Military training with French Army infantry, demonstrating discipline and adaptability

No Cap: this is Julien Dumazert

Yo, have you heard about Julien Dumazert? The dude’s the real deal in the tech startup game. So, here’s the scoop: Julien’s a French tech whiz who’s been crushing it across a bunch of big names and cool projects. He’s got that mix of hardcore engineering smarts and entrepreneurial hustle that you don’t see every day.

He kicked things off with a solid legit background, studied at École Polytechnique, one of France’s top schools, then stacked up his creds with a Master in Machine Learning and Data Mining from ETH Zürich. Plus, he did a Masters in Image, Vision, and Learning, so dude’s super deep in the AI and data science world. On top of that, he even did military training with the French Army’s infantry, talk about discipline and grit.

Now, his career? It’s a rollercoaster of big names and startups. He’s worked at BlaBlaCar, Content Square, Withings, Huawei, and even did a stint at KAUST. He’s been in data science, R&D, leadership roles, basically, he’s been around the block, getting his hands dirty in both big corp and startup scenes. But what really put him on the map was Data Mechanics. Dude co-founded this company in YC’s Summer batch of 2019, and it’s not just some side project. It’s a legit platform for data engineering, think Spark-on-Kubernetes. They crushed it, got acquired by NetApp in 2021. That’s a major W in startup land.

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But Julien’s not stopping there. He’s now all-in on energy tech, co-founding Storio Energy. The focus? Behind-the-meter batteries, that’s smart energy stuff, making power more fast and green. It’s like he took all that hardcore data experience and shifted it toward solving real-world problems, like climate change and energy resilience.

What does this tell us about him? For one, Julien’s all about building stuff that actually matters, whether it’s making data processing faster or pushing forward clean energy. His process shows he’s super driven, always jumping into new problems, and never afraid to pivot or go deep. He’s got that rare combo of technical genius and startup hustle, plus a solid sense of discipline from his military days. That’s probably why he’s been able to build things that scale and get bought, but also keep the passion for innovation alive.

Bottom line: Julien Dumazert is one of those guys who sees the big picture, then gets his hands dirty making it happen. He’s proof that if you’re smart, disciplined, and hungry, you can go from a researcher to a founder who’s changing the game, whether that’s data engineering or clean energy. No cap, dude’s a force to watch.

Founder ID: 105510

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