# Jason Jacobs

> Jason Jacobs is a seed investor at MCJ (Boston) backing Energy, CleanTech and Developer APIs. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [MCJ](https://shizune.co/investors/profile/mcj)
- Location: Boston, United States
- Total investments: 2
- Last investment: Oct 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jjacobs22/
- X (Twitter): http://twitter.com/jjacobs22
- Website: https://x.com/jjacobs22

Jason Jacobs is a Partner at MCJ Collective and was a Founder and CEO at FitnessKeeper. He attended Babson F.W. Olin Graduate School of Business and Wesleyan University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 50% |
| CleanTech | 1 | 50% |
| Developer APIs | 1 | 50% |
| Energy Management | 1 | 50% |
| Information Services | 1 | 50% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Series A | 1 | 50% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Norway | 1 | 50% |
| United States | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| WattBuy | At WattBuy, we’re focused on an ambitious vision: making cleaner, more affordable electricity accessible to every household. We’re looking to bring on team members to help us reach that goal. Based in NYC, DC, and Seattle, WattBuy is a team of product leaders and engineers from Google and Amazon who share a love of using technology to tackleinequality and positively impact the climate. | $11.2M | Series A | Oct 12, 2021 |  |
| Enode | Enode develops APIs that connect EVs, solar, batteries, and heating to energy consumer products.Once connected, the digital infrastructures SaaS-based platform integrate them into the app to optimize energy consumption and help to participate in flexible markets with connected hardware, enabling clients to facilitate a zero-carbon energy grid.The Oslo, Oslo, Norway-based company was established in 2020 by Henrik Langeland, Nikolai Heum, and Thorvald Thorsnes. | $2.2M | Seed | Apr 01, 2021 |  |

2 of 2 investments shown.

## Co-investors
- [Lowercarbon Capital](https://shizune.co/investors/profile/lowercarbon-capital) — VC Fund, 2 deals together
- [MCJ](https://shizune.co/investors/profile/mcj-collective) — VC Fund, 2 deals together
- [MCJ](https://shizune.co/investors/profile/my-climate-journey-collective) — VC Fund, 2 deals together
- [Alliance VC](https://shizune.co/investors/profile/alliance-venture) — VC Fund, 1 deal together
- [Amazon Alexa Fund](https://shizune.co/investors/profile/amazon-alexa-fund) — VC Fund, 1 deal together
- [Avesta Fund](https://shizune.co/investors/profile/avesta-fund) — VC Fund, 1 deal together

## About MCJ

VC Fund · Kasukabe, Japan

MCJ backs extraordinary founders driving the transition of energy and industry and tackling the inevitable impacts of climate change. We discover and invest in startups rewriting industries to be cleaner, more profitable and more resilient. We strengthen our investments through the MCJ Collective — a vetted member network that connects talentedtech and industrial leaders with our portfolio and with one another. Our media platform including the Inevitable podcast spotlights key perspectives critical to our portfolio and the transition at large, reaching tens of thousands of professionals multiple times per week. Learn more at mcj.vc

1 contacts available at MCJ.

| Name | Title | Profile |
| --- | --- | --- |
| Jason Jacobs | Partner | https://shizune.co/investors/profile/jason-jacobs |

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## FAQ

### What does Jason Jacobs invest in?

Jason Jacobs invests primarily in Energy, CleanTech and Developer APIs startups, most often at Seed and Series A stage. Most of the 2 investments tracked by Shizune back companies in Norway. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jason Jacobs last invest?

The most recent investment recorded for Jason Jacobs closed in Oct 2021. Shizune tracks 2 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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