Onebrief
YC S21 ↗Honolulu, US · Founded 2019 · Delaware corporation · 200 employees · 14 known investors
Onebrief develops software designed for military and defense organizations, enabling real-time collaboration and knowledge access for command and operational teams. The product integrates processes with real-time updates for defense and government use cases.
AI & Machine LearningDefense TechEnterprise SoftwareGovTechSaaSDefensein /onebrief/@onebriefappycombinator.com ↗
Founders & leadership· Y Combinator alumni (S21)
GD
Grant DemareeinFounder
RP
Rafa Pereirain𝕏Founder
AL
Adam LackeyExecutive Officer
RT
Raymond TonsingDirector
PK
Paul KwanDirector
LC
Lewis CraparottaDirector
Investors · 14
Alchemist JapanSan Francisco · $30K
Anorak VenturesLos Angeles · $25K – $400K
Caffeinated CapitalSan Francisco · $3M – $50M
Human CapitalSan Francisco · $250K – $200M
Kyber Knight CapitalSan Francisco
PROOFArlington
Salesforce VenturesSan Francisco · $5M – $50M
Sapphire VenturesAustin · $5M – $20M
Signia Venture PartnersMenlo Park · $500K – $2M
Visary CapitalSyossetvia Faizan J. Khan · inferred
Y CombinatorSan Francisco · $500K
9Yards CapitalreportedNew York · $100K – $10M
Battery VenturesreportedBoston · $500K – $100M
General CatalystreportedSan Francisco · $30Mvia Paul Kwan · board
Reported raises · per SEC filings
Form D private placements▶$359.3MraisedJan 2026 · 12 investors · Other TechnologyRule 506(b)
▶$359.3MraisedJan 2026 · 12 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Michael BrownDirector
- Christopher MillerDirector
- Lewis CraparottaDirector
- Paul KwanDirector
- Raymond TonsingDirector
- Derron BlakelyExecutive Officer
- Nadav YuhjtmanExecutive Officer
- Grant DemareeExecutive Officer, Director
- Adam LackeyExecutive Officer
- Offering amount
- $359.3M
- Amount sold
- $359.3M
- First sale
- Dec 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$23.6MraisedJun 2025 · 5 investors · Other TechnologyRule 506(b)
▶$23.6MraisedJun 2025 · 5 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Raymond TonsingDirector
- Lewis CraparottaDirector
- Derron BlakelyExecutive Officer
- Paul KwanDirector
- Christopher MillerDirector
- Grant DemareeExecutive Officer, Director
- Adam LackeyExecutive Officer
- Offering amount
- $23.6M
- Amount sold
- $23.6M
- First sale
- Apr 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$58.7MraisedJan 2025 · 13 investors · Other TechnologyRule 506(b)
▶$58.7MraisedJan 2025 · 13 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Raymond TonsingDirector
- Adam LackeyExecutive Officer
- Paul KwanDirector
- Rafael Resende PereiraExecutive Officer, Director
- Lewis CraparottaDirector
- Grant DemareeExecutive Officer, Director
- Offering amount
- $60.4M
- Amount sold
- $58.7M
- First sale
- Dec 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$16MraisedApr 2024 · 9 investors · Other TechnologyRule 506(b)
▶$16MraisedApr 2024 · 9 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Grant DemareeExecutive Officer, Director
- Rafael PereiraExecutive Officer, Director
- Raymond TonsingDirector
- Offering amount
- $24.5M
- Amount sold
- $16M
- First sale
- Apr 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$12.5MraisedOct 2023 · 2 investors · Other TechnologyRule 506(b)
▶$12.5MraisedOct 2023 · 2 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Rafael Resende PereiraExecutive Officer, Director
- Raymond TonsingDirector
- Grant DemareeExecutive Officer, Director
- Offering amount
- $18M
- Amount sold
- $12.5M
- First sale
- Oct 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$14.8MraisedOct 2022 · 9 investors · Other TechnologyRule 506(b)
▶$14.8MraisedOct 2022 · 9 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Raymond TonsingDirector
- Rafael Resende PereiraExecutive Officer, Director
- Grant DemareeExecutive Officer, Director
- Offering amount
- $15M
- Amount sold
- $14.8M
- First sale
- Sep 2022
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$6.1MraisedOct 2022 · 30 investors · Other TechnologyRule 506(b)
▶$6.1MraisedOct 2022 · 30 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Rafael Resende PereiraExecutive Officer, Director
- Grant DemareeExecutive Officer, Director
- Raymond TonsingDirector
- Offering amount
- $6.5M
- Amount sold
- $6.1M
- First sale
- Sep 2021
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Acquisitions · 1
Early investors' stakes continue via these dealsIn the news
- Onebrief Raises $200M in Series D Funding; Acquires Battle Road Digitalfinsmes.com · 2026
- Onebrief raises $200M at $2.15B valuation, acquires Battle Road Digital - SiliconANGLEsiliconangle.com · 2026
- Defense tech firm Onebrief valued at over $2 billion in latest funding roundfinance.yahoo.com · 2026
- Defense Tech Unicorn Onebrief Raises $200M, Acquires Seed Startup As VC Funding For Military-Related Tech Surgesnews.crunchbase.com · 2026
- Check out the exclusive pitch deck defense tech startup Onebrief used to raise new cash at a $1.1 billion valuationbusinessinsider.com · 2025
- Defense tech startup Onebrief hits $1.1b valuationaxios.com · 2025
- General Catalyst Backs War Planning Software Startup At $650 Million Valuationforbes.com · 2025