Gabriel Kra
Managing Director @ Prelude Ventures
San Francisco, United States
Gabriel Kra is a Series A investor at Prelude Ventures in San Francisco focused on Software and Sustainability. Gabriel Kra co-founded Prelude Ventures in 2013, after almost 25 years as an investor, entrepreneur, scientist, activist, and ski-bum. Before launching Prelude Ventures, Gabriel spent four years as an investment banker with Deutsche Bank in its solar and semiconductor groups. He also was an early employee at venture-backed telecommunications andsemiconductor start-ups, where he was instrumental in raising money, launching products, developing technology and getting acquired. Gabriel’s early experience working a summer at Yellowstone National Park and for Greenpeace sparked his lifelong commitment to fighting climate change.Gabriel serves on the Boards of Directors of Renew Financial, Ripple Foods, Sense Labs, Natron Energy, ClearMetal, Raxium, and Form Energy, and is active with Meati, Metalenz, Zymergen, Planet, Catalog, and Spark Thermionics. Other investments at Prelude include PLANT PV, Suniva (ShunFeng Clean Energy), SolarBridge (SPWR), and Clean Urban Energy. Gabriel also serves on the Board of Directors of Activate and The CREO Syndicate, and on advisory boards for Prime Coalition and Carbon180.Gabriel holds MBAs from the Columbia Business School and the Haas School of Business, University of California at Berkeley, an MS in atmospheric chemistry from SUNY Stony Brook and a BA in philosophy from Columbia College. Gabriel is still an avid skier, and spends as much of his free time as possible in the mountains, with his wife and four children. Gabriel now roots for the San Francisco Giants after years as a New Yorker, and his favorite guilty pleasure, much to his wife’s chagrin, is Clash of Clans.
- Total investments:
- 13
- Last investment:
- Lead investor:
- 46%
Last updated:
For AI agents: llms.txt
Industries Gabriel Kra invests in
Stages Gabriel Kra invests in
Countries Gabriel Kra invests in
Contacts
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Investment Focus
Industry
- Software 3 (23%)
- Sustainability 3 (23%)
- Energy 2 (15%)
- Renewable Energy 2 (15%)
- Water 1 (8%)
Stage
- Series A 6 (46%)
- Series B 2 (15%)
- Seed 1 (8%)
- Series D 1 (8%)
- Series G 1 (8%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Form Energy
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Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration. It aims to make batteries that can dispatch energy for days, expanding the ability to supply electricity generated from wind and solar power to the grid.The company's technology transforms the electric grid by makingrenewable energy dispatchable year-round, as well as extending transmission capacity without building new wires, and replacing the need for conventional thermal generation. Its core technology was invented at MIT and is supported by investors which include Breakthrough Energy Ventures, MIT’s The Engine, Macquarie Capital, Eni Next, Capricorn Investment Group, and Prelude Ventures. Their team members are active learners who like working on tough technology problems that can only be solved with a combination of scientific innovation and hard work.Co-founders Marco Ferrara, Mateo Jaramillo, Yet-Ming Chiang, William Woodford, and Ted Wiley headquartered the company in Somerville, Massachusetts in 2017. | $750M / Series G / Aug 12, 2026 | |
Tempo
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RedoxBlox offers thermochemical energy storage technology for natural gas power plant operators. It helps power plant operators drastically reduce carbon and nitrogen oxides emissions, its solution integrates with the existing natural gas power plant infrastructure, minimizes impact on plant total capital costs, increases grid resiliency andsafety, and is recyclable, non-toxic, and non-combustible, enabling industries with renewables grid through the deployment of large-scale long-duration energy storage.The company was founded in 2020 and is based in East Lansing, Michigan. | $30M / Series A / Oct 30, 2024 | |
Ebb Carbon
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Ebb Carbon works on a reverse electrochemical ocean deacidification process that captures CO2 from the atmosphere. It delivers a new method of carbon removal that uses electrochemistry to enhance the ocean’s natural ability to safely store CO2 while reducing ocean acidity. Its approach has the potential to be one of the safest, most scalable, andmost affordable ways to remove excess CO2 from the atmosphere. | $20M / Series A / Apr 20, 2023 | |
Latitude Media
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Post Script Media works with companies and organizations to make compelling audio. | $2M / Seed / Jun 21, 2022 | |
Mill
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Mill is all about answering a simple question: how can we prevent waste? Less waste can save time, money, energy, maybe even our planet. And there’s no better place to start than food. Food waste is one of the most solvable climate problems facing us today. Plus, our trash really stinks. It’s gross, heavy, and our least favorite chore. At Mill weare striving to build a better environment for all, as we take on climate and kitchen change. | Series B / Jan 12, 2022 | |
ClearMetal
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ClearMetal, Inc., based in San Francisco CA (USA), is a leader in the Continuous Delivery Experience (CDX), enabling supply chain organizations to optimize logistics and provide their customers with easy access to trusted, live information about their shipments. The ClearMetal CDX Platform uses proprietary machine learning algorithms to break freefrom static-visibility paradigms and make sense of supply chain data. ClearMetal was founded by top software engineers, data scientists, and operations researchers from Stanford University, Google, and Silicon Valley and is funded by Eclipse Ventures, Prelude Ventures, Innovation Endeavors, NEA, SAP.io, Prologis, PSA Unboxed, DCLI, and the founders of GT Nexus, Navis, and Uber Freight. For more information visit www.clearmetal.com. | $19M / Series A / Feb 04, 2020 | |
Nyriad
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Nyriad is developing the industry's first storage solutions based on a new architecture that redefines how data is stored. The architecture combines the power of GPUs and CPUs to deliver an unprecedented combination of performance, resilience, and efficiency, enabling massive amounts of data and multiple data types to be managed in a singlestorage system that is simple to deploy, operate, scale, and maintain. Headquartered in Austin, Texas, Nyriad is building a new storage architecture from the ground up that empowers businesses to grow, adapt, and stay competitive in a data-driven world. For more information, visit us on the web at www.nyriad.io. | $8.5M / Series A / Feb 06, 2018 | |
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ClearMetal
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ClearMetal, Inc., based in San Francisco CA (USA), is a leader in the Continuous Delivery Experience (CDX), enabling supply chain organizations to optimize logistics and provide their customers with easy access to trusted, live information about their shipments. The ClearMetal CDX Platform uses proprietary machine learning algorithms to break freefrom static-visibility paradigms and make sense of supply chain data. ClearMetal was founded by top software engineers, data scientists, and operations researchers from Stanford University, Google, and Silicon Valley and is funded by Eclipse Ventures, Prelude Ventures, Innovation Endeavors, NEA, SAP.io, Prologis, PSA Unboxed, DCLI, and the founders of GT Nexus, Navis, and Uber Freight. For more information visit www.clearmetal.com. | $9M / Series A / Sep 20, 2017 | |
Sense
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Sense, a technology company, provides home energy monitoring solutions for its customers.The company specializes in developing and distributing tracking devices and home automation solutions for its customers. Sense, its home monitoring system, is able to listen to the electronic signatures of electrical devices through its current sensors on themain breakers in electrical panels and records them. Followed by the recording process, it applies multi-domain device signature detection algorithms to distinguish one appliance from another to recognize each individual voice. Furthermore, the system transmits its data to its users through a specially designed mobile application.Sense was founded by Ryan Houlette, Christopher Micali, and Mike Phillips in 2013 and is based in Cambridge, Massachusetts. | $15M / Series A / Sep 01, 2016 | |
Ripple Foods
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Ripple Foods specializes in making non-dairy milk with just as much protein as milk and half the sugar. Ripple has 8x the protein of almond milk and half the sugar of dairy milk. It’s high in bioavailable calcium (50% more than milk), potassium and provides a good source of omega-3s. It’s lower in calories than milk and best of all, it has thecreamy, delicious texture our dairy-free friends are missing. No more thin, chalky almond/ soy/ cashew milk.It was founded in 2014 and headquartered in Emeryville, California. | $30M / Series B / Jul 07, 2016 | |
| See all 13 investments → | |||
Co-Investors
About Prelude Ventures
Prelude Ventures invests in and supports early-stage startups with the greatest potential to mitigate climate change. Our goal is to help build the next generation of category-defining businesses.
Prelude Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Gabriel Kra
Managing Director
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Laura Baxter-Simons
Co-Founder
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Bryan Shill
Associate
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Carly Anderson
Principal
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Eileen McMahon
Operations Coordinator
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FAQ
What does Gabriel Kra invest in?
Gabriel Kra invests primarily in Software, Sustainability and Energy startups, most often at Series A and Series B stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Gabriel Kra?
Public channels for Gabriel Kra include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Gabriel Kra last invest?
The most recent investment recorded for Gabriel Kra closed in Aug 2026. Shizune tracks 13 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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