Cassie Choi

Cassie Choi

Y Combinator Logo Batch: S19

Achievements

  • Co-founded Pair Team, part of Y Combinator Summer 2019 batch
  • Raised $9M in 2023 to expand healthcare access
  • Led clinical protocols and workflows as first RN at Forward
  • Served as Director of Operations at Circle Medical
  • Worked in emergency medicine and cardiac critical care at top hospitals in Boston and NY Combinator
  • Mentored other founders as a Coach at Just AFGO

What's up with Cassie Choi

Yo, you gotta hear about Cassie Choi. This girl, she’s the real deal. Started out in emergency medicine in Boston, then jumped into cardiac critical care at NewYork Presbyterian. Basically, she was on the frontlines of some crazy serious shit in hospitals. Then she moved over to Kaiser and UCSF in SF, so she’s been deep in the healthcare trenches for a minute.

But here’s where it gets wild, she saw all the bullshit in US healthcare firsthand. Like, she saw how underserved folks, especially on Medicaid, get the short end of the stick. That stuck with her. She knew there had to be a better way. So, she jumped into the startup world, co-founding Pair Team in 2019, part of YC’s summer batch. That’s the kind of move only someone who truly cares about fixing things makes.

Pair Team? They’re on a mission to connect underserved communities to top-notch care. No cap, that’s some significant stuff. They’ve blown up to a team of 78 people and raised $9 million in 2023 – that’s serious money for healthcare tech. It shows she’s not just talking; she’s out here building and crushing it.

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Before all this, she was the first RN at Forward, helping build their clinical protocols and workflows. Later, she led ops at Circle Medical. She’s been deep in the healthcare startup scene for a while, and her experience totally shaped her vision. She’s not just a founder; she’s a mentor now too, coaching others through Just AFGO, sharing her hustle and lessons learned.

What’s crazy is, her process from ER nurse to startup co-founder isn’t just about tech or business. It’s about her real passion, making healthcare fairer, better, more accessible. She saw the problems from the inside and decided to do something about it. That’s why she’s so important. She’s not just chasing the future trend, she’s out here trying to save lives and fix a broken system.

Honestly, Cassie’s story is all about resilience, purpose, and hustle. She jumped into the deep end, learned the game, and now she’s changing it. That’s the kind of founder you gotta respect, the kind who’s in it for real impact, not just the fame.

Founder ID: 105374

Experience

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