Fundraising Fox

WindBorne

Palo Alto, US · Founded 2019 · 97 employees on LinkedIn · 7 known investors

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.

AI & Machine LearningClimate TechDeep Tech

Founders & leadership

WindBorne was founded in 2019 by John Dean, Kai Marshland, ANDREY SUSHKO, JOHN DEAN, and KAI MARSHLAND.

JDJohn Dean
John DeaninCofounder & CEO
KMKai Marshland
Kai MarshlandinCo-Founder and Chief Product Officer
AS
ANDREY SUSHKOCo-founder
JD
JOHN DEANCo-founder
KM
KAI MARSHLANDCo-founder

Board

NB
NIKHIL BASU TRIVEDIBoard director

Investors · 7

Convective CapitalSan Francisco
FootworkSan Francisco · $1M – $15M
Harvest Venture PartnersCalgary
Humba VenturesSan Francisco · $750K
JetstreamSan Francisco
Khosla VenturesMenlo Park · $5K – $50M
Ubiquity VenturesPalo Alto · $1M – $3M

Reported raises · per SEC filings

Form D private placements

$62M disclosed across 3 rounds · 2023–2026

▶$37.1MraisedAug 2026 · 8 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$15MraisedMay 2024 · 4 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$9.9MraisedJul 2023 · 13 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Non-dilutive funding · 2 SBIR/STTR awards

Federal grants — no equity taken
AgencyPhaseYearAmount
U.S. Air ForceAir ForcePhase II2020$1.4M
U.S. Air ForceAir ForcePhase I2020$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

AI makes weather prediction better. Can WindBorne make it lucrative?techcrunch.com · Aug 2026WindBorne Raises $15M to Scale Its Balloon Constellation and AI Weather Modelingbusinesswire.com · Jun 2024WindBorne secures USD 15Mln for AI-powered weather balloons & climate action » World Business Outlookworldbusinessoutlook.com · Jun 2024

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, JOHN DEAN, KAI MARSHLAND in 2019.
Who are WindBorne's investors?
WindBorne's investors include Convective Capital, Footwork, Harvest Venture Partners, Humba Ventures, Jetstream, Khosla Ventures, 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.