# Jonathan Goldberg

> Jonathan Goldberg is a Series A investor at Carbon Direct Capital backing CleanTech. See 15 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Carbon Direct Capital](https://shizune.co/investors/profile/carbon-direct)
- Location: New York, United States
- Total investments: 15
- Last investment: Jan 2026
- Lead investor: 53%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jonathan-goldberg-941b27126/

Jonathan Goldberg is a Series A investor at Carbon Direct Capital in New York focused on CleanTech and Clean Energy. Jonathan Goldberg is based out of New York, New York, and is the Founder and CEO of Carbon Direct. Jonathan previously worked at Glencore as Partner. Jonathan Goldberg attended Yale University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| CleanTech | 4 | 27% |
| Clean Energy | 4 | 27% |
| Chemical | 3 | 20% |
| Oil and Gas | 3 | 20% |
| Carbon Capture | 3 | 20% |

32 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 5 | 33% |
| Series C | 3 | 20% |
| Series B | 2 | 13% |
| Series D | 2 | 13% |
| Funding Round | 1 | 7% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 9 | 60% |
| Canada | 3 | 20% |

## 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 |  |
| 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 |  |
| 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 |  |
| Syzygy Plasmonics | Syzygy Plasmonics is a developer of a photocatalytic reactor designed for fuel cell vehicles and small-scale industrial applications.The company's reactor is powered by light and operates at over 1,000°F lower temperature than conventional chemical reactor technology that helps in reducing maintenance costs and is able to start or stopproduction near instantaneously, enabling fuel cell vehicle companies to produce ultra-low-cost hydrogen gas on-site at customer locations. | $76M | Series C | Nov 16, 2022 |  |
| Twelve | Twelve is the carbon transformation company, a new kind of chemical company built for the climate era. We make essential products from air, not oil. Our groundbreaking technology eliminates emissions by transforming CO2 into critical chemicals, materials and fuels that today are made from fossil fuels. We call it carbon transformation, and itfundamentally changes how we can address climate change, reduce emissions and reverse the carbon imbalance. Reinventing what it means to be a chemical company, we’re on a mission to create a climate positive world and a fossil free future through the power of chemistry. The company is based in Berkeley, California. | $130M | Series B | Jun 29, 2022 |  |
| 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. | $53M | Series A | Mar 17, 2022 |  |
| Clean Energy Systems | Clean Energy Systems, of Rancho Cordova, CA, specializes in the development of zero emissions commercial power plants using an oxy-fuel combustion process. The power plants use oxygen and various fuels to produce power that results in zero atmospheric emissions with carbon dioxide and water as byproducts. The company owns an extensive portfolio ofpatents and a Bakersfield, CA power plant, used to further develop the oxy fuel technology. | $15M | Series A | Sep 29, 2021 |  |
| Leilac |  | $17.7M | Venture - Series Unknown | Sep 15, 2021 |  |
| Solugen | Solugen's mission is to decarbonize the chemicals industry. Solugen combines synthetic biology with metal catalysis to make carbon negative chemicals at scale.Solugen's patented approach takes advantage of bio-inspired reactions to use plant material as a low-cost feedstock to produce novel products cost-competitive with thecompetition. | $350M | Series C | Sep 09, 2021 |  |

10 of 15 investments shown.

## Co-investors
- [Microsoft Climate Innovation Fund](https://shizune.co/investors/profile/microsoft-climate-innovation-fund) — VC Fund, 4 deals together
- [Temasek](https://shizune.co/investors/profile/temasek) — VC Fund, 4 deals together
- [Baillie Gifford](https://shizune.co/investors/profile/baillie-gifford) — VC Fund, 3 deals together
- [Capricorn Investment Group](https://shizune.co/investors/profile/capricorn-investment-group) — VC Fund, 3 deals together
- [Chart Industries](https://shizune.co/investors/profile/chart-industries) — VC Fund, 3 deals together
- [Chevron Technology Ventures](https://shizune.co/investors/profile/chevron-technology-ventures) — VC Fund, 3 deals together

## About Carbon Direct Capital

VC Fund · New York, United States

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.

4 contacts available at Carbon Direct Capital.

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

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## FAQ

### What does Jonathan Goldberg invest in?

Jonathan Goldberg invests primarily in CleanTech, Clean Energy and Chemical startups, most often at Series A and Series C stage. Most of the 15 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jonathan Goldberg last invest?

The most recent investment recorded for Jonathan Goldberg closed in Jan 2026. Shizune tracks 15 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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