Achievements
- CEO and CTO of Velontra, a hypersonic propulsion startup in Cincinnati
- Velontra joined Y Combinator's S22 batch, gaining Silicon Valley validation
- Holds a Master's in Aerospace Engineering from Georgia Tech
- Bachelor's in Mechanical Engineering from Michigan State University
- Worked at GE Aviation and Hermeus Corporation on propulsion engineering
- Founded Velontra in 2021, disrupting hypersonic flight technology
Get to know Joel Darin
Here’s someone who’s absolutely crushing it. Joel Darin. Guy’s a complete beast in aerospace and tech. He’s the CEO and CTO of Velontra, this crazy startup in Cincinnati that’s all about hypersonic engines-like, breaking the sound barrier kind of stuff. They jumped into Y Combinator’s S22 batch, so they’re the real deal, getting that Silicon Valley stamp of approval.
But here’s the kicker-Joel’s process wasn’t just straight-up rocket science from the start. Dude’s got a solid engineering background, with degrees from Georgia Tech (a Master’s in Aerospace, no less) and Michigan State for Mechanical Engineering. He’s worked at giants like GE Aviation and Hermeus Corporation, where he crushed it on propulsion engineering. Basically, he’s been deep in the trenches of making engines go faster, more fast, and pushing the boundaries of what’s possible in flight.
Before all that, he dabbled in equities trading-so he’s got a pretty sick multidisciplinary skill set. That mix of aerospace smarts and market hustle? No cap, that’s what makes him stand out. The dude’s not just about flying fast; he’s here to disrupt the game, blending tech, science, and business like a true innovator.
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Talk to herVelontra itself is a product of that genius-founded in 2021, right in Cincinnati, and now backed by Y Combinator. They’re building hypersonic turbo-ramjets, trying to change how we get things moving in the air and possibly beyond. You can tell Joel’s motivation is rooted in a deep passion for pushing limits. He’s not just chasing tech for tech’s sake; he’s on a mission to make hypersonic travel and propulsion mainstream.
What’s crazy is how his background shows what starting something really means. It’s not just about the tech; it’s about combining diverse skills, risking it all, and jumping into the deep end with a vision. That’s Joel-someone who’s always been about breaking barriers, whether it’s in aerospace or markets, and now he’s making waves with Velontra.
Bottom line? Joel Darin’s the kind of guy you want to watch. He’s got the brains, the guts, and the vision to actually change how we fly and explore. No bullshit, this guy’s on a path to do some seriously big shit.

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