Windborne Systems

SoftwareSeries BRedwood City, USwindbornesystems.com

Latest round

Series B

Last raised

Jul 2026

Total raised

$60M

Investors

11

About Windborne Systems

, based in the US, specializes in advanced weather forecasting solutions by utilizing proprietary technology that integrates atmospheric data from weather balloons with AI models for improved accuracy. Founded in 2019 in Palo Alto, US, Windborne Systems Inc. is dedicated to delivering innovative weather forecasting solutions. The company was co-founded by Andrey Sushko, John Dean, and Kai Marshland, with John Dean serving as CEO. In August 2026, Windborne Systems Inc.WindBorne Systems specializes in advanced weather forecasting solutions through its proprietary technology that integrates atmospheric data collected from long-duration balloons with sophisticated artificial intelligence models. The company's core offering, Atlas, represents the world's largest balloon constellation designed to gather in-situ weather data. This system operates by launching hundreds of autonomous weather balloons monthly from various global launch sites, allowing for comprehensive atmospheric coverage that addresses existing data gaps.S. and international governments, private sector companies, and renowned philanthropic organizations, all of which benefit from enhanced weather predictions that aid in decision-making across multiple sectors. The geographical markets served include North America, Europe, and regions across Asia, reflecting the global applicability of their forecasting technology. WindBorne Systems generates revenue primarily through B2B partnerships, subscriptions, and contract agreements with various stakeholders, including government entities and private organizations. Clients typically engage in annual contracts that provide them with access to real-time weather data and forecasting services essential for sectors such as agriculture, emergency management, and transportation. The pricing structure is aligned with the level of service provided, with customized plans tailored to meet the specific needs of partners, ensuring comprehensive data coverage and forecasting accuracy. Flagship offerings like the Atlas balloon constellation contribute significantly to the company’s revenue through these structured partnerships, facilitating continuous data flow and updates that are crucial for effective weather prediction. Additionally, Windborne aims to expand its market reach into new geographical regions, particularly focusing on Asia and Europe, by the end of 2025. This strategic growth plan highlights the company’s commitment to broadening its service offerings and enhancing its technological capabilities.

Who invested in Windborne Systems

11 investors across 3 rounds

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Funding rounds

  1. Series B

    Jul 31, 2026

    Amount

    $37M

    Investors

    Locked

  2. Series A

    May 15, 2024

    Amount

    $15M

    Investors

    Locked

  3. Seed

    May 12, 2023

    Amount

    $8.4M

    Investors

    Locked

Questions about Windborne Systems

Who invested in Windborne Systems?

Windborne Systems has 11 investors on record across 3 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Windborne Systems raised?

Windborne Systems has raised 3 venture rounds. Sign up free to see how much each round raised and the total.

When did Windborne Systems last raise money?

Windborne Systems's most recent round on record is a Series B, in Jul 2026.

What does Windborne Systems do?

, based in the US, specializes in advanced weather forecasting solutions by utilizing proprietary technology that integrates atmospheric data from weather balloons with AI models for improved accuracy.

Where is Windborne Systems headquartered?

Windborne Systems is headquartered in Redwood City, US.

Which VCs invest in companies like Windborne Systems?

Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back software companies at Windborne Systems's stage. Their profiles are linked below.

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