John Browne
Angel Investor
John Browne is a Series A investor focused on Energy and Artificial Intelligence. John Browne serves as part of the advisory board at Giant Ventures.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 25%
Last updated:
For AI agents: llms.txt
Industries John Browne invests in
Stages John Browne invests in
Countries John Browne invests in
Round sizes
Round size
- Series A
- $10M–$100M
Investment Focus
Industry
- Energy 2 (50%)
- Artificial Intelligence 2 (50%)
- GPS 1 (25%)
- Big Data 1 (25%)
- Analytics 1 (25%)
Stage
- Series A 2 (50%)
- Funding Round 1 (25%)
Country
- United Kingdom 2 (50%)
- France 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Venterra
|
Venterra provides project management and engineering across the full offshore wind farm lifecycle from concept design to decommissioning. Its wide range of services includes environmental and geotechnical analysis and hydrographic surveys. | $53.5M / Dec 21, 2025 | |
CuspAI
|
CuspAI is a revolutionary AI startup that is developing a platform for next-generation materials to address global sustainability and renewable energy concerns. CuspAI uses cutting-edge generative AI, deep learning, and molecular simulation to accelerate the material design process. Their platform works similarly to a search engine for materials,allowing users to request certain properties for new materials on demand. | $100M / Series A / Sep 10, 2025 | |
Kayrros
|
Kayrros is the leading advanced data analytics company that helps global energy market players make better investment decisions. Kayrros experts extract value from the integration of alternative and market data into unique product offerings across the energy chain. With more than 100 employees representing over 15 nationalities working fromheadquarters in Paris and offices in Houston, London, New York and Singapore, Kayrros delivers actionable information in near real-time using cutting-edge technologies. Kayrros solutions are rapidly scalable and continually expanded to new geographies and new sources of data that help provide greater transparency into energy markets worldwide. | $10M / Series A | |
|
Venterra
|
Venterra provides project management and engineering across the full offshore wind farm lifecycle from concept design to decommissioning. Its wide range of services includes environmental and geotechnical analysis and hydrographic surveys. |
Co-Investors
Basis Set Ventures
1 deal together
First Reserve Corporation
1 deal together
FJ Labs
1 deal together
Giant Ventures
1 deal together
Hyundai Motor Company
1 deal together
Index Ventures
1 deal together
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FAQ
What does John Browne invest in?
John Browne invests primarily in Energy, Artificial Intelligence and GPS startups, most often at Series A and Funding Round stage. Most of the 4 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is John Browne's check size?
John Browne typically joins rounds of $10M–$100M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds John Browne participates in.
When did John Browne last invest?
The most recent investment recorded for John Browne closed in Dec 2025. Shizune tracks 4 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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