Kritin Vongthongsri

Meet the absolute unit that is Kritin Vongthongsri-this guy is the real deal in the AI startup world. He’s a YC W25 guy, so he’s just jumped into the big leagues with Confident AI, which he co-founded in 2024 out in SF. But it’s not just some random startup-this thing is all about making LLMs safer and more reliable, with open-source tools for testing and evaluating AI models. Basically, Kritin and his team are building the tools that make sure AI isn’t just a wild, unpredictable beast.

Now, the crazy part? Kritin’s been deep in the trenches of AI for a while. He’s a legit researcher, published at CHI, and he’s done all kinds of stuff-from building NLP pipelines for fintech startups (so, finance tech, yeah?) to researching self-driving cars and HCI at Princeton. He studied Operations Research and Financial Engineering there too, so he’s got the brain for complex systems and making stuff work at scale.

So, how did he go from Princeton to crushing it in startups? Well, he’s always been curious about how humans and machines interact, and that drive led him into AI research. He’s the kind of guy who doesn’t just talk about the future-he jumps into it. When he co-founded Confident AI, he brought that same curiosity and technical mastery. He played a key role creating DeepEval, an open-source framework to evaluate LLMs, and DeepTeam, which is all about red teaming-basically stress-testing AI for safety. That’s huge because, let’s be real, AI safety is the new frontier.

And get this-he helped the company raise $2.2 million in just five days. No cap. That quick raise speaks volumes about how much confidence investors have in him and his vision. He’s not just building cool tech; he’s solving real-world problems that matter, especially when it comes to making AI safer and more trustworthy.

What does this all say about Kritin? Dude’s motivated by a genuine desire to push AI forward but also to make it safe and reliable. He’s not in it for the fame, he’s in it for the impact. His background in research, combined with his startup hustle, shows he’s someone who’s always been curious about how things work and how to make them better. Starting Confident AI wasn’t just a leap into entrepreneurship-it was a logical step for someone who’s always wanted to shape the future of tech.

Long story short: Kritin Vongthongsri is that rare mix of deep tech knowledge, startup hustle, and a clear vision for safer AI. He’s the kind of founder who’s not just riding the wave but building the surfboard. Keep an eye on him, cuz he’s gonna do some serious shit.