# Carbon Direct Capital

> Carbon Direct Capital is a VC fund backing Renewable Energy and CleanTech. See 24 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: New York, United States
- Total investments: 24
- Last investment: Jan 2026
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/carbon-direct/
- X (Twitter): https://twitter.com/Carbon_Direct
- Website: https://carbon-direct.com/

Carbon Direct Capital is a VC fund in New York focused on Renewable Energy and CleanTech. Carbon Direct Capital provides selective investment in growth-stage carbon management companies to drive climate impact and financial returns. It specializes in investing with a science-focused approach that maximizes climate impact and financial returns.

## Contacts

5 contacts available for Carbon Direct Capital. Shizune tracks 4 team members at Carbon Direct Capital. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/carbon-direct?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $15M–$110M |
| Series B | $69M–$150M |
| Series C | $76M–$357M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Renewable Energy | 6 | 25% |
| CleanTech | 5 | 21% |
| Clean Energy | 5 | 21% |
| Fuel | 4 | 17% |
| Oil and Gas | 4 | 17% |

34 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 7 | 29% |
| Series B | 4 | 17% |
| Series C | 3 | 13% |
| Series D | 2 | 8% |
| Venture - Series Unknown | 2 | 8% |

8 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 13 | 54% |
| Canada | 3 | 13% |
| Germany | 1 | 4% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Jonathan Goldberg | Founder and Chief Executive Officer | 15 | https://shizune.co/investors/profile/jonathan-goldberg |
| Joshua Dienstag | Chief Investment Officer | 2 | https://shizune.co/investors/profile/joshua-dienstag-6aa9 |
| Mayank Kapoor | Principle | 1 | https://shizune.co/investors/profile/mayank-kapoor-6e65 |
| Stephen Comello | Consultant | 0 | https://shizune.co/investors/profile/stephen-comello |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Neurophos | Neurophos develops photonic AI processing technology that focuses on hardware solutions for accelerating artificial intelligence inference by replacing traditional electronic compute elements with optical processing units (OPUs). The company’s technology uses ultra-dense optical modulators and silicon photonics to enable computation using light,aiming to support matrix operations central to AI workloads with increased energy efficiency and performance relative to conventional graphics processing units. Neurophos’ offerings include prototype OPUs and development systems designed to integrate into data center environments, and its platform targets engineering teams and compute-intensive applications that demand scalable AI inference capability. The business collaborates with industry partners and investors to advance its optical compute architecture and develop supporting software stacks and hardware modules for deployment. Neurophos also engages in pilot programs and partnerships to test its photonic processors in real-world compute environments and explore integration pathways with existing infrastructure. Its work leverages research in metamaterials and compute-in-memory design to reduce power consumption and enhance throughput for AI inference tasks. | $110M | Series A | Jan 22, 2026 |  |
| Sage Geosystems | Sage Geosystems develops geothermal and energy storage technologies that use subsurface heat and pressure to generate and store electricity. The company’s offerings include systems that store energy underground during low demand and release it to produce power when needed, and technologies that extract geothermal energy for continuous powergeneration. Its platform supports integration with intermittent renewable sources and grid applications, including long-duration storage and consistent electricity supply. Sage also works with partners on pilot projects and commercial deployments that apply its geothermal and storage systems to utility and infrastructure use cases. | $97M | Series B | Jan 21, 2026 |  |
| Heirloom | Heirloom is a provider of direct air capture technology to enhance the natural process of CO2 absorption from the atmosphere. Its technology accelerates limestone's ability to capture carbon dioxide, storing it permanently underground while operating with renewable energy. | $150M | Series B | Dec 04, 2024 |  |
| Twelve | Twelve is a carbon transformation company converting captured carbon dioxide into valuable chemicals, fuels, and other essential products. Their technology eliminates emissions by turning CO2 into essential products that are made from fossil fuels. They specialize in the fields of CO2 electrocatalysis and electrochemical reactor design. | $200M | Series C | Sep 19, 2024 |  |
| Air Company | Air Company is a technology and lifestyle company that ideates, creates, and manufactures liquor products. The company was founded in 2017 by Gregory Constantine and Staff Sheehan and is based in New York, New York, United States. | $69M | Series B | Sep 18, 2024 |  |
| LanzaTech | LanzaTech is turning our global carbon crisis into a feedstock opportunity with the potential to displace 30% of crude oil use today and reduce global CO2 emissions by 10%. By recycling carbon from industrial off-gases; syngas generated from any biomass resource (e.g. municipal solid waste (MSW), organic industrial waste, agricultural waste); andreformed biogas, LanzaTech can reduce emissions and make new products for a circular carbon economy.LanzaTech’s carbon recycling technology is like retrofitting a brewery onto an emission source like a steel mill or a landfill site, but instead of using sugars and yeast to make beer, pollution is converted by bacteria to fuels and chemicals! Imagine a day when your plane is powered by recycled GHG emissions, when your yoga pants started life as pollution from a steel mill. This future is possible using LanzaTech technology. | $40M | Post-IPO Equity | Aug 08, 2024 |  |
| Graphyte | Graphyte utilizes a Carbon Casting technology for carbon removal | $30M | Series A | Jul 30, 2024 |  |
| ION Clean Energy | ION Clean Energy is a technology company focused on the commercialization of solvent and process technology. It specializes in the removal of carbon dioxide (CO2) from large point sources including natural gas and coal-fired power plants. The company was founded in 2008 and headquartered in Colorado, United States. | $45M | Series A | Apr 04, 2024 |  |
| Sunfire | Sunfire develops and manufactures systems for renewable industrial gas and fuel production. These substitutes for mineral oil and natural gas, known as e-Gas, e-Fuel or e-Chemicals, replace fossil fuels in existing infrastructures. The solid oxide cells (SOCs) used for the conversion process are also used as generators to provide electricity andheat.Sunfire’s vision is to make regenerative energy from sources such as wind farms, hydropower plants, and photovoltaic systems available wherever and whenever it is needed — not just when the wind is blowing, the waves are crashing or the sun is shining. | $233.4M | Series E | Mar 05, 2024 |  |
| Velocys | Velocys is the company at the forefront of smaller scale gas-to-liquids (GTL) that turns natural gas or biomass into premium liquid products such as diesel and jet fuel.Smaller-scale GTL adds value to shale gas and bio-waste and makes stranded or flared gas economic – an untapped market of up to 25 million barrels per day.Velocys technology,protected by over 900 patents, is specifically designed for smaller scales, combining super-active catalysts with intensified reactor systems. The company’s standardized modular plants are easier to ship and faster to install, at lower risk, even in the most remote or challenging locations. Together with world-class partners, Velocys works flexibly to unlock gas resources of 15,000 to 150,000 MMBtu per day, allowing more companies to take advantage of more opportunities. | $40M | Venture - Series Unknown | Feb 12, 2024 |  |

10 of 24 investments shown.

## Co-investors
- [Chart Industries](https://shizune.co/investors/profile/chart-industries) — VC Fund, 5 deals together
- [Temasek](https://shizune.co/investors/profile/temasek) — VC Fund, 5 deals together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 4 deals together
- [Chevron Technology Ventures](https://shizune.co/investors/profile/chevron-technology-ventures) — VC Fund, 4 deals together
- [Microsoft Climate Innovation Fund](https://shizune.co/investors/profile/microsoft-climate-innovation-fund) — VC Fund, 4 deals together
- [Ahren Innovation Capital](https://shizune.co/investors/profile/ahren-innovation-capital) — VC Fund, 3 deals together

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## FAQ

### What does Carbon Direct Capital invest in?

Carbon Direct Capital invests primarily in Renewable Energy, CleanTech and Clean Energy startups, most often at Series A and Series B stage. Most of the 24 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Carbon Direct Capital's check size?

Carbon Direct Capital typically joins rounds of $15M–$110M at Series A, $69M–$150M at Series B and $76M–$357M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Carbon Direct Capital participates in.

### How do I contact Carbon Direct Capital?

Public channels for Carbon Direct Capital include LinkedIn, X (Twitter) and the website linked on this profile. 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.

### Who are the partners at Carbon Direct Capital?

The team at Carbon Direct Capital includes Jonathan Goldberg (Founder and Chief Executive Officer), Joshua Dienstag (Chief Investment Officer) and Mayank Kapoor (Principle). The Team section lists each member with their title, investment count and links.

### 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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