Jon Koon

Jon Koon

Y Combinator Logo Batch: S20

Achievements

  • Y Combinator S20 alum
  • Built core product and infrastructure at Twitter for 7+ years
  • Co-founded and served as CTO of Charityvest, a fintech platform for charitable giving
  • Led engineering, design, and user experience at HubSpot
  • Passionate about using tech for social impact
  • Proven track record in engineering leadership and product development

The scoop on Jon Koon

Yo, peep this story about Jon Koon. This guy’s a straight-up tech ninja with a story that hits all the right notes. He’s a YC S20 alum, so he’s been through the startup grind, and he’s got a legit background stacking up big names like Twitter, Stripe, HubSpot, and then smashing it with his own thing, Charityvest. No bullshit.

So, here’s the vibe. Jon started out crushing it at Twitter for like 7 years, working on core product and infrastructure. That’s no small feat, dude’s been deep in the trenches building stuff that millions rely on every single day. After that, he jumped into the startup scene with YC, which is basically the Harvard of tech, if you wanna make real waves, that’s where you do it. He co-founded Charityvest, a fintech platform all about making charitable giving easy, personal, and more effective. Think of it as giving back but with a modern, tech-driven twist. As CTO, Jon wasn’t just a figurehead, he was hands-on, building the tech, making sure it’s smooth, user-friendly, and actually makes a difference.

But what really makes Jon stand out is his passion. Dude’s all in on using tech to make a real difference, not just building for the sake of it. Most engineers are stuck grinding on features or chasing growth, but Jon’s got a bigger mission, making giving back easier, more accessible, more personal. That’s what fuels him, and you can see it in everything he does.

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Now, he’s at HubSpot as an Engineering Lead, still all about engineering, design, and user experience. Basically, he’s the guy making sure the tech is not just functional but killer to use. He’s the real deal when it comes to blending hardcore engineering with a heart for social impact.

Long story short? Jon’s process is about someone who’s always pushing boundaries, from building massive infrastructure at Twitter, to creating a fintech startup that’s changing how we give back, to now leading teams at HubSpot. He’s proof that you don’t have to pick between tech and purpose, you can crush both. And honestly, that’s what makes him so important. He’s the kind of founder who’s in it for the real shit, not just the fame or the money. He’s here to make a difference, and he’s doing it with the skills and hustle to back it up. No cap.

Founder ID: 104918

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