# Rock Creek

> Rock Creek is a VC fund in Washington backing Renewable Energy and Energy. See 12 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Washington, United States
- Total investments: 12
- Last investment: Mar 2026
- Lead investor: 33%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/the-rock-creek-group
- X (Twitter): https://www.twitter.com/rockcreekgroup
- Website: https://www.therockcreekgroup.com

Rock Creek is a leading, highly respected global investment and advisory firm that provides our investors with solutions

## Contacts

5 contacts available for Rock Creek. Shizune tracks 5 team members at Rock Creek. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/the-rock-creek-group?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $9M–$25M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Renewable Energy | 3 | 25% |
| Energy | 2 | 17% |
| CleanTech | 2 | 17% |
| Environmental Engineering | 2 | 17% |
| Fuel | 1 | 8% |

38 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 3 | 25% |
| Venture - Series Unknown | 2 | 17% |
| Seed | 1 | 8% |
| Pre-Seed | 1 | 8% |
| Series B | 1 | 8% |

8 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 9 | 75% |
| Germany | 1 | 8% |
| Switzerland | 1 | 8% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Jessica P. Einhorn | Member of the Advisory Board | 0 | https://shizune.co/investors/profile/jessica-p-einhorn |
| Anahita Smeets | Managing Director | 1 | https://shizune.co/investors/profile/anahita-smeets |
| Justin Heyman | Managing Director | 2 | https://shizune.co/investors/profile/justin-heyman-c91a |
| Kathleen Townsend | Director | 0 | https://shizune.co/investors/profile/kathleen-townsend |
| Maria Woodman | Principal | 1 | https://shizune.co/investors/profile/maria-woodman-3133 |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SkySelect | SkySelect is an algorithmic purchasing system for $100B aircraft material industry. We are helping the world’s leading airlines to operate efficiently and on-time by enabling maintenance leaders to automate the purchasing and fulfillment of high quality aircraft parts from the world’s leading suppliers. | $9M | Venture - Series Unknown | Mar 12, 2026 |  |
| Metafuels | Our breakthrough sustainable aviation fuel (SAF) technology, aerobrew™, will make affordable net-zero aviation a reality. The technology is innovative, highly scaleable and able to tap into future global renewable energy systems efficiently. Starting from renewable feedstocks including green hydrogen, driven by renewable electricity, andsustainably sourced CO2, for example from direct air capture, aerobrew™ provides an efficient route to large-scale production of e-kerosene, overcoming the scale up challenges and high costs of alternative e-fuels technologies. aerobrew™ is also compatible with the biogenic route whereby the carbon required for the process is derived from renewable and sustainable cellulosic biomass which, does not compete with the food chain (wood, miscanthus, etc.). With a high carbon conversion, high selectivity and a high overall SAF yield, aerobrew™ leads to attractive production economics and cost leadership. With a rapidly growing demand for SAF, aerobrew™ stands to contribute significantly to the decarbonisation of global aviation and to support the achievement of net zero 2050 targets. | $24.8M | Series A | Nov 06, 2025 |  |
| Forge Nano | Forge Nano develops materials engineering technologies focused on precision surface coatings and advanced battery materials. The company applies atomic layer deposition processes to modify powders at the nanoscale, enabling improvements in energy storage, semiconductor components, and industrial materials. Its offerings include coating equipmentsystems as well as engineered materials used in lithium-ion batteries and other applications. The company also supports partners with process development and integration of coating techniques into manufacturing workflows. Its work spans sectors such as electronics, energy storage, and specialty materials, where controlled surface properties influence performance and durability. | $40M | Series D | Apr 29, 2025 |  |
| Carbon Reform | Carbon Reform is a climate-tech startup that offers a modular carbon capture and pollution-control device to reduce CO2 levels in the atmosphere. Carbon Reform combines climate and indoor health technology to produce decentralized, permanent carbon capture, energy savings, and occupant-healthy indoor air. Carbon Reform implements a multi-phaseapproach to determine what's in the air, and how they can work with the existing infrastructure to make it better. | $5.5M | Seed | Mar 04, 2025 |  |
| Infinium | Infinium is an electrofuels provider that creates synthetic fuels from renewable energy and waste carbon dioxide. Its electrofuels can be utilized in existing transportation systems, significantly lowering carbon emissions compared to traditional fossil fuels. Additionally, Infinium's solutions offer a lower carbon alternative for variouschemical processes, including plastics production. |  | Series C | Jan 16, 2025 |  |
| Metafuels | Our breakthrough sustainable aviation fuel (SAF) technology, aerobrew™, will make affordable net-zero aviation a reality. The technology is innovative, highly scaleable and able to tap into future global renewable energy systems efficiently. Starting from renewable feedstocks including green hydrogen, driven by renewable electricity, andsustainably sourced CO2, for example from direct air capture, aerobrew™ provides an efficient route to large-scale production of e-kerosene, overcoming the scale up challenges and high costs of alternative e-fuels technologies. aerobrew™ is also compatible with the biogenic route whereby the carbon required for the process is derived from renewable and sustainable cellulosic biomass which, does not compete with the food chain (wood, miscanthus, etc.). With a high carbon conversion, high selectivity and a high overall SAF yield, aerobrew™ leads to attractive production economics and cost leadership. With a rapidly growing demand for SAF, aerobrew™ stands to contribute significantly to the decarbonisation of global aviation and to support the achievement of net zero 2050 targets. | $9M | Series A | Dec 01, 2024 |  |
| Renewance | Renewance is an electronic company that provides software solutions, consultancy, and project management services to manage the battery end of life liabilities. It offers an online platform that connects clients with defect or end-of-life industrial batteries with logistics providers and battery recyclers.The company was founded in 2016 andheadquartered in Chicago, Illinois. |  | Series A | Apr 10, 2024 |  |
| INERATEC | INERATEC provides sustainable fuels, gas-to-liquid, power-to-gas and power-to-liquid application products. | $128.4M | Series B | Jan 16, 2024 |  |
| Dimensional Energy | Dimensional Energy has created and licenses a platform technology that converts carbon emissions into high-performance hydrocarbons that readily replace fossil fuels in thousands of products and deliver more than 90% carbon intensity (CI) reductions. Our goal is to unlock use of renewable carbon for the evolving energy transition with full-stacktechnology and service offerings that support successful synthetic hydrocarbon production. Dimensional Energy addresses the need for cost-effective and replicable carbon-utilization technology attuned to specific site opportunities and constraints. With two operating facilities, tens of thousands of hours of operating history, and our first commercial sales complete, we are building a pipeline of financially viable projects leveraging waste CO2 | $20M | Series A | Dec 12, 2023 |  |
| Escalate USA | Escalate USA is a frontline retention platform helping employers retain talent and creating pathways for entry-level talent. | $1.3M | Pre-Seed | Oct 11, 2023 |  |

10 of 12 investments shown.

## Co-investors
- [Contrarian Ventures](https://shizune.co/investors/profile/contrarian-ventures) — VC Fund, 2 deals together
- [Energy Impact Partners](https://shizune.co/investors/profile/energy-impact-partners) — VC Fund, 2 deals together
- [Fortescue Future Industries](https://shizune.co/investors/profile/fortescue-future-industries) — VC Fund, 2 deals together
- [Manna Tree](https://shizune.co/investors/profile/manna-tree-partners) — VC Fund, 2 deals together
- [TDK Ventures](https://shizune.co/investors/profile/tdk-ventures) — VC Fund, 2 deals together
- [Verve Ventures](https://shizune.co/investors/profile/verve-ventures) — VC Fund, 2 deals together

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## FAQ

### What does Rock Creek invest in?

Rock Creek invests primarily in Renewable Energy, Energy and CleanTech startups, most often at Series A and Venture - Series Unknown stage. Most of the 12 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 Rock Creek's check size?

Rock Creek typically joins rounds of $9M–$25M 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 Rock Creek participates in.

### How do I contact Rock Creek?

Public channels for Rock Creek 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 Rock Creek?

The team at Rock Creek includes Jessica P. Einhorn (Member of the Advisory Board), Anahita Smeets (Managing Director) and Justin Heyman (Managing Director). 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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