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
Investors5
- 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.
Cap table0
Approximate ownership by holder. Indexed holders link to their records.
| Holder | Instrument | Ownership |
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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 & citations8
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Selected among 10 innovators for NATO DIANA Decision Superiority for NATO Warfighters challenge (€100,000)
NATO: NATO's DIANA selects innovators to drive decision superiority for the AllianceVerified2026-07-13 - 2
Raised $200M Series D at a $2.15B valuation led by Battery Ventures and Sapphire Ventures; acquired Battle Road Digital
Business Wire: Onebrief Raises $200M Series DVerified2026-01-13 - 3
Series C: raised $103M cumulative ($50M Series C led by General Catalyst and Insight Partners, plus Caffeinated Capital, 9Yards Capital, Human Capital) at ~$650M valuation
Onebrief: Onebrief Raises Total of $103M to Transform Military StaffsVerified2025-02-10 - 4
Raised $20M Series C extension led by Battery Ventures, reaching $1.1B valuation
Business Wire: Onebrief Reaches $1.1 Billion Valuation with $20 Million Series C Extension Led by Battery VenturesVerified2025-06-17 - 5
Awarded $3M, 1-year SBIR Phase III IDIQ software license contract by Air Combat Command for the Agile Battle Lab EMC3 project
Business Wire: Air Combat Command Pilots Onebrief to Transform Mission Command, Control, and CommunicationVerified2025-01-07 - 6
Onebrief's $200M Series D was co-led by Battery Ventures and Sapphire Ventures, with Salesforce Ventures joining as a new investor and General Catalyst and Insight Partners returning
Business Wire: Onebrief Closes $200M Series D at $2.15B Valuation, Acquires Battle Road DigitalVerified2026-01-13 - 7
Christopher C. Miller, former Acting U.S. Secretary of Defense, joined Onebrief's Board of Directors
Space & Naval Warfare Systems / DoD bio record: Christopher C. Miller — Official BioVerified2026-05-01 - 8
Onebrief's platform is integrated into three of the four largest OPLANs globally and operates across NIPR/SIPR/JWICS classified networks, used by all US military services and SOF
Onebrief: Onebrief — Company siteVerified2026-07-20