Antoine Hersen

Antoine Hersen

Y Combinator Logo Batch: W12

Achievements

  • Co-founded PlanGrid in 2011, a construction tech startup revolutionizing project management
  • Part of Y Combinator Winter 2012 (Y Combinator W12) batch, a highly competitive startup accelerator
  • Worked as a rendering engineer at Pixar Animation Studios, showcasing top-tier technical talent
  • Key contributor to PlanGrid’s early development and growth, helping it become a standout success
  • Passed away at age 29 shortly after Y Combinator acceptance, leaving a lasting legacy of passion and resilience

Meet Antoine Hersen

Shoutout to Antoine Hersen – dude was a straight-up legend, even though his story got cut short. So, he jumps into the startup world by co-founding PlanGrid back in 2011, right? This wasn’t just some random idea – it’s a construction tech company that aimed to make building projects way more fast. Think about it: construction sites are chaotic as hell, with stacks of blueprints and documents everywhere. Antoine and his team wanted to fix that mess with software, and they crushed it. They went from zero to YC W12, which is no small feat, especially for a newbie team. That batch was stacked with some serious talent, and PlanGrid was one of the standout success stories.

But here’s the wild part – Antoine was already making moves before all that. He came from Pixar, dude worked as a rendering engineer there. Imagine that – from making CGI magic at Pixar to building a startup that changes the construction game. It shows he’s got serious technical chops and a creative mind. But what really makes him stand out is his mindset. Even right before they threw their hat in the YC ring, he was diagnosed with a rare cancer. Crazy, right? Most people would’ve bailed or freaked out, but not Antoine. He pushed through, kept working, kept dreaming. That kind of grit? That’s what makes him the real deal.

He was a core part of PlanGrid’s founding team, and his energy and vision helped shape the company’s culture. His friends and co-founders remember him as a driving force – the guy who was always pushing forward, never giving up, even when shit got tough. Sadly, Antoine passed away in January 2012 at just 29 – right after they got into YC. That’s heartbreaking, but it also cements how much he was about having an effect. His legacy isn’t just the tech or the company – it’s about that relentless passion, that refusal to quit, even when life threw him the worst punches.

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So, what does Antoine’s story tell us? It’s about motivation, resilience, and the pure hustle of someone who truly believed in building something meaningful. He jumped into startups with zero hesitation, from Pixar to construction tech, driven by a passion to solve real problems. His process shows that starting something isn’t just about the tech or the idea – it’s about the guts to push through, especially when the stakes are high. And I think that’s why Antoine’s story hits so hard – he’s the kind of person who reminds us that real entrepreneurs aren’t just about the wins, but about the fire inside to keep going, no matter what.

That’s why he’s important. Not just for what he built, but for what he stood for – relentless drive, pure passion, and leaving a mark even when the clock runs out.

Founder ID: 100409

Experience

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