Dennis Antonelos

Dennis Antonelos

Y Combinator Logo Batch: S20

Achievements

  • Joined Y Combinator's S20 batch, a top startup accelerator
  • Founded CoreCare in 2020, backed by Y Combinator
  • Built a platform trusted by thousands of skilled nursing facilities nationwide
  • Led CoreCare as co-founder and CEO, transforming healthcare admin and payments
  • Held roles at Arcus, Drone USA, Xoriant, and Pike Falls
  • Attended Harvard Business School's Executive Education Program in Planned Negotiation

Shoutout to Dennis Antonelos

Yo, so let me tell you about Dennis Antonelos. This guy’s a straight-up startup beast. He jumped into the scene in YC’s S20 batch, which is no joke, those guys only pick the real deal. Before all that, he’s been around the block, working at a bunch of places like Arcus, Drone USA, Xoriant, Pike Falls, and even coached high school wrestling, talk about a mix, right? Shows he’s got hustle and knows how to grind.

But what really sets Dennis apart is his vibe as a builder. He’s all about solving real problems, especially in healthcare, which is like the holy grail of complex shit. He’s now the co-founder and CEO of CoreCare, a platform that’s changing the game for long-term and post-acute healthcare providers. Think about it, these guys are crushing admin costs, making payment collection way easier with AI and digital tools. Basically, Dennis saw how broken the system was, and he built something that actually works. And it’s not small, thousands of skilled nursing facilities trust his platform across the US. That’s major.

What’s dope is his background. He’s got serious academic creds, spent time at Fairfield, Boston University’s Biz School, and even did some executive stuff at Harvard. So dude’s not just a hacker; he’s planned, knows negotiations, and understands how to scale and lead.

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His story screams passion for tackling the tough stuff. Starting CoreCare in 2020, right in the thick of shit, shows he’s not afraid to jump into chaos and build from scratch. He’s the kind of founder who’s obsessed with making software that actually improves lives, boosts team productivity, and cuts through bullshit. That’s his thing, building high-quality, effective tech.

Bottom line? Dennis is that rare founder who combines grit, smarts, and a real mission. He’s all about fixing real-world problems, making healthcare better, and crushing it with his team. No Cap, he’s one of those guys you wanna watch, he’s just getting started, and he’s already making waves.

Founder ID: 104781

Experience

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