Grant Demaree

Grant Demaree

Y Combinator Logo Batch: S21

Achievements

  • Founded Onebrief in 2019 to overhaul military planning with collaborative automation
  • Participated in Y Combinator Summer 2021 batch with Onebrief
  • Served as a mentor at Alchemist Accelerator, supporting startup growth
  • Led high-stakes military operations in Liberia and Iraq, including Ebola and ISIS fights
  • Holds dual degrees from West Point in International Relations and Nuclear Engineering
  • Built a team of 200 employees by 2025, backed by Silicon Valley VCs and AFWERX

Getting real about Grant Demaree

This story’s wild, let me tell you about Grant Demaree. This guy’s the real deal, started as a US Army officer, jumped into some of the craziest high-stakes stuff out there, like the Ebola outbreak in Liberia and fighting ISIS in Iraq. Dude’s been in the trenches, literally. That kinda experience? It’s all about understanding chaos, making split-second decisions under pressure, and knowing what actually works when lives are on the line.

So, Grant’s got these badass degrees from West Point, dual bachelor’s in International Relations and Nuclear Engineering. That’s like hardcore brainfood. He’s always been about leadership, service, and figuring out how big systems work, whether it’s military ops or complex tech.

Fast forward, he hits the startup scene and co-founds Onebrief in 2019. This isn’t some bullshit idea, he’s trying to totally overhaul military planning with software that’s collaborative and automated. Think about it: military HQs are normally a mess of papers, calls, and chaos. Grant’s vision? Make it smooth, fast, and smarter. That’s why the US Air Force, Silicon Valley VCs, and former military folks are backing him. His team’s blown up to 200 people by 2025, so he’s obviously doing something right.

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He went through Y Combinator’s Summer 2021 batch, so he’s got that startup cred, but more than that, he’s also mentoring at places like Alchemist Accelerator. That shows he’s not just about building his own thing but also helping others crush it.

What’s crazy is his process from a soldier to a startup founder, it’s all about solving big problems, making decision-making better, and leading from the front. He’s not just doing tech for tech’s sake; he’s using his military background to build tools that actually matter in real-world crises.

Bottom line? Grant Demaree is the guy who took all his high-stakes experience, his leadership chops, and his brainpower, and turned it into a company that’s changing how the military plans and fights. No cap, he’s a leader who’s not afraid to jump into the chaos and come out swinging with solutions that could save lives and make big systems run smoother. That’s why he’s so important.

Founder ID: 103979

Experience

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