Fundraising Fox
WindBorne
Palo Alto, US · Founded 2019 · 97 employees on LinkedIn · 8 known investors
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Windborne Systems collects atmospheric data using long-duration balloons and applies AI models to produce weather forecasts for business applications. The company operates in weather intelligence and meteorological data services.
Founders & leadership
WindBorne was founded in 2019 by John Dean, Kai Marshland, and ANDREY SUSHKO.
Board
Investors · 8
How we know: open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Footwork's portfolio page · board seat on SEC Form D · open dataset · 5k.vc investor directory · Not right? Tell us
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How we know: Humba Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Khosla Ventures's portfolio page · a partner's Signal profile · funding news · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Pear VC's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Ubiquity Ventures's portfolio page · the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$62M disclosed across 3 rounds · 2023–2026
▶$37.1MraisedAug 2026 · 8 investors · Other TechnologyRule 506(b)
- ANDREY SUSHKODirector
- JOHN DEANDirector
- NIKHIL BASU TRIVEDIDirector
- KAI MARSHLANDDirector
- Offering amount
- $37.1M
- Amount sold
- $37.1M
- First sale
- Jul 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$15MraisedMay 2024 · 4 investors · Other TechnologyRule 506(b)
- Kai MarshlandExecutive Officer, Director
- John DeanExecutive Officer, Director
- Andrey SushkoExecutive Officer, Director
- Nikhil Basu TrivediDirector
- Offering amount
- $15M
- Amount sold
- $15M
- First sale
- May 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$9.9MraisedJul 2023 · 13 investors · Other TechnologyRule 506(b)
- Kai MarshlandExecutive Officer, Director
- John DeanExecutive Officer, Director
- Nikhil TrivediDirector
- Andrey SushkoExecutive Officer, Director
- Offering amount
- $9.9M
- Amount sold
- $9.9M
- First sale
- May 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
3 people who came through WindBorne went on to found or lead other companies.
Non-dilutive funding · 2 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. Air ForceAir Force | Phase II | 2020 | $1.4M |
| U.S. Air ForceAir Force | Phase I | 2020 | $50K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
In the news
Frequently asked questions
- What does WindBorne do?
- Windborne Systems collects atmospheric data using long-duration balloons and applies AI models to produce weather forecasts for business applications. The company operates in weather intelligence and meteorological data services.
- Who founded WindBorne?
- WindBorne was founded by John Dean, Kai Marshland, ANDREY SUSHKO in 2019.
- Who are WindBorne's investors?
- WindBorne's investors include Convective Capital, Footwork, Harvest Venture Partners, Humba Ventures, Jetstream, Khosla Ventures, Pear VC, Ubiquity Ventures.
- How much funding has WindBorne raised?
- WindBorne has disclosed $62M raised across 3 rounds.
- Where is WindBorne headquartered?
- WindBorne is headquartered in Palo Alto, US.