Clemens Rawert

Clemens Rawert

Y Combinator Logo Batch: W23

Achievements

  • Co-founded Langfuse, an open-source AI tool backed by Y Combinator, Lightspeed, and General Cause
  • Part of Y Combinator W23 batch, showing strong validation from top-tier investors
  • Previously worked with founder-CEOs of Expandable Capital, a German fintech unicorn
  • Held degrees in Economics and Economic History from Mannheim University, LSE, and Oxford
  • Experience working across Berlin and San Francisco, bridging European and US tech scenes

Have you met Clemens Rawert

Yo, have you heard about Clemens Rawert? Dude’s a legit tech startup guy who’s been crushing it lately. So, here’s the scoop-he’s one of the co-founders of Langfuse, a killer open-source tool for developers diving into AI and LLMs. Basically, it’s like the Swiss Army knife for building and fine-tuning AI apps. The platform’s backed by some heavy hitters like YC (he’s in their W23 batch), General Cause, and Lightspeed. That’s no small feat, just shows how much faith they got in him and his team. And he’s based out in Berlin, which is turning into Europe’s AI hub.

But it’s not like he just jumped into this. Nah, Clemens has been around the block. Before Langfuse, he was working with the founder-CEOs of Expandable Capital-a big German fintech unicorn. So, he’s got serious experience in both the startup world and fintech. The dude’s no stranger to scaling companies and making shit happen. Plus, he’s got a solid academic background-degrees from Mannheim University, the London School of Economics, and even Oxford. Yeah, he’s smart as hell, but what’s more interesting is how he’s traveled between Berlin and San Francisco, soaking up different tech scenes and cultures.

What does this tell me about him? I think it’s clear Clemens is all about building stuff that matters. He’s not just chasing shiny tech; he’s genuinely into making tools that help engineers push AI forward. His process shows he’s super driven and not afraid to jump into new problems-whether it’s fintech or AI. Starting Langfuse isn’t just another project for him; it’s like the next step in his mission to enable developers and shape the future of AI tech.

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Long story short, Clemens Rawert is that kind of guy who’s been around, seen a lot, and now he’s building stuff that could change how we work with AI. He’s got the experience, the brains, and the grit. No bullshit. That’s why he’s someone to keep an eye on.

Founder ID: 102437

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