Onebrief
Software for military operational planning and staff collaboration, integrating fragmented staff processes into one workspace with AI co-planning and AI-driven wargaming; deployed across US military headquarters.
Onebrief is a Honolulu, Hawaii-based software company, founded in 2019 by Grant Demaree and Rafa Pereira, that builds an AI-powered collaboration platform for military operational planning and staff work. The platform unifies fragmented staff processes into a single workspace with agentic AI co-planning and AI-driven wargaming, and is integrated into three of the four largest operational plans (OPLANs) globally. It operates across NIPR, SIPR, and JWICS classified networks and is used by the U.S. Army, Navy, Marine Corps, Air Force, Space Force, and Special Operations Forces, as well as federal and international defense organizations. In January 2026 Onebrief closed a $200M Series D at a $2.15B valuation and acquired Battle Road Digital to expand its wargaming/simulation capabilities.
Overview
- Headquarters
- Honolulu, Hawaii, USA
- Founded
- 2019
- Employees
- Undisclosed
- Total funding
- $323M (seed through Series D)
- Valuation
- $2.15B (Series D, Jan 2026)
- Stage
- Series D
- Status
- active
- Domains
- Military operational planning, Command and control, Decision support
- Website
- www.onebrief.com
Founders2
Investors7
- FundSalesforce VenturesCorporate VC investing in enterprise cloud including defense and national security tech.
- FundGeneral CatalystGlobal VC with dedicated defense and national security practice.
- FundInsight PartnersGlobal software investor with deep defense and government technology practice.
- FundBattery VenturesBoston-based, stage-agnostic VC/growth-equity firm investing in application software, infrastructure, industrial tech, and a growing defense-tech thesis.
- FundSapphire VenturesAustin-based expansion-stage fund (formerly SAP Ventures) backing enterprise AI and software companies with product-market fit, including a growing defense-tech thesis.
- Fund9Yards Capital$1B+ venture/growth fund; new investor in Forterra's $238M Series C (Nov 2025).
- FundCaffeinated CapitalSeed-stage VC focused on technical founders in defense, AI, and infrastructure.
Cap table0
Approximate ownership by holder. Indexed holders link to their records.
Raised per round
Valuation over time
Percentages marked ~ are not disclosed. Some are a generic VC-pattern model (founders/team weighted heaviest, option pool lightest, other holders evenly) sized to whatever's left undisclosed — a standard industry shape, not this company's actual cap table.
| Holder | Instrument | Ownership |
|---|---|---|
Insight PartnersReinvested | Series D (returning) | ~30.2% |
General CatalystReinvested | Series D (returning) | ~30.2% |
Battery VenturesReinvested | Series D (co-lead) | ~30.2% |
| Series D (new investor) | ~4.7% | |
| Series D (co-lead) | ~4.7% |
Frequently asked
- What does Onebrief do?
- Onebrief is a Honolulu, Hawaii-based software company, founded in 2019 by Grant Demaree and Rafa Pereira, that builds an AI-powered collaboration platform for military operational planning and staff work. The platform unifies fragmented staff processes into a single workspace with agentic AI co-planning and AI-driven wargaming, and is integrated into three of the four largest operational plans (OPLANs) globally. It operates across NIPR, SIPR, and JWICS classified networks and is used by the U.S. Army, Navy, Marine Corps, Air Force, Space Force, and Special Operations Forces, as well as federal and international defense organizations. In January 2026 Onebrief closed a $200M Series D at a $2.15B valuation and acquired Battle Road Digital to expand its wargaming/simulation capabilities.
- Where is Onebrief headquartered?
- Onebrief is headquartered in Honolulu, Hawaii, USA and was founded in 2019.
- How much funding has Onebrief raised?
- Onebrief has raised $323M (seed through Series D) in disclosed funding, at a most recent valuation of $2.15B (Series D, Jan 2026).
- What does Onebrief specialize in?
- Onebrief works across Military operational planning, Command and control, Decision support.
- Does Onebrief hold government contracts?
- Defense Tech Atlas links Onebrief to 1 government contract and 1 program.
Sources & citations9
9 sources behind every claim
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