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YC Root AccessHow Onebrief Is Fixing Military Planning With Software
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At a glance
WHAT IT’S REALLY ABOUT
Onebrief modernizes military planning, navigating procurement, security, and adoption barriers
- Onebrief turns operational military planning from email-and-slide-deck chaos into a shared, structured system where plan components update everywhere automatically.
- The company achieved rapid adoption (2.75x QoQ usage growth) by selling command-by-command rather than trying to sell to the Department of Defense as a single monolith.
- Early traction came from unconventional validation tactics—paid Saturday planning exercises and tiny government purchase-card buys—to get close to real planners fast.
- Scaling required overcoming three persistent defense-specific barriers: contracting, Authority to Operate (ATO), and facilities clearance, with ATO and network access (e.g., JWICS) being pivotal to real usage.
- Onebrief is deploying AI first for “mundane utility” automations and aiming longer-term at AI-generated courses of action that outperform human planning speed and quality.
IDEAS WORTH REMEMBERING
5 ideasMilitary planning is a high-leverage bottleneck, not a paperwork problem.
Demaree argues decisions—driven by planning—often constrain military performance more than hardware, so speeding planning can create outsized strategic impact.
Replace documents with shared primitives that generate every required output.
Onebrief’s “cards” represent facts, units, and tasks, then produce maps, sync matrices, and ops orders from the same data so changes propagate instantly across artifacts.
Defense isn’t one customer; it’s ~1,200 budget-holding commands.
Instead of selling to “the DoD,” Onebrief targets the command that feels the pain most, enabling faster closes and tighter feedback loops with end users.
Start with procurement shortcuts to earn access, then expand legitimacy.
Their first sale was a single buyer using a government purchase card (often up to ~$25k), letting the team get inside headquarters before mastering full contracting.
If you can’t access users, manufacture realistic usage environments.
They cold-messaged planners to attend paid all-day Saturday exercises, running parallel teams (Word/PowerPoint vs proto-Onebrief) to observe workflows and iterate.
WORDS WORTH SAVING
5 quotesUh, well, almost all Word and PowerPoint.
— Grant Demaree
In three hours, they had changed the entire thing—new map overlays, new sync matrix, new written base plan, new slides… commander signs it.
— Grant Demaree
We were able to get the initial sale on a government purchase card.
— Grant Demaree
There is no product market fit before ATO in the military.
— Grant Demaree
Ultimately, where we wanna get people is… AI-generated course of action that are faster and smarter than any human could come up with.
— Grant Demaree
SPEAKERS
Brad Flora
hostHost of YC Root Access who interviews startup founders about their companies and go-to-market strategies.
Grant Demaree
guestFormer US Army officer and co-founder of Onebrief (YC Summer ’21), building software for military operational planning.
High quality AI-generated summary created from speaker-labeled transcript.
