# Brian Baynes

> Brian Baynes is a Series B investor at Petri (Boston) backing Solar and Energy. See 3 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Petri](https://shizune.co/investors/profile/petri-bio)
- Location: Boston, United States
- Total investments: 3
- Last investment: May 2015
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/brian-baynes-73a84

Brian Baynes is a Series B investor at Petri in Boston focused on Solar and Energy. Brian Baynes is the Founder & CEO of Verdox.

## Contacts

5 contacts available for Brian Baynes: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/brian-baynes?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Solar | 1 | 33% |
| Energy | 1 | 33% |
| CleanTech | 1 | 33% |
| Oil and Gas | 1 | 33% |
| Biotechnology | 1 | 33% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 33% |
| Series C | 1 | 33% |
| Private Equity | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Joule Unlimited Technologies | Joule Unlimited, Inc. produces infrastructure-compatible fuels directly from sunlight and waste carbon dioxide. It captures sunlight to produce energy in liquid forms, such as diesel and ethanol, as well as uses waste carbon dioxide as a sole feedstock to produce liquid fuels. Joule Unlimited, Inc. was formerly known as Joule Biotechnologies, Inc.and changed its name to Joule Unlimited, Inc. in 2010. The company was founded in 2007 and is headquartered in Cambridge, Massachusetts with an additional office in Los Angeles, California. | $40M | Private Equity | May 11, 2015 |  |
| Joule Unlimited Technologies | Joule Unlimited, Inc. produces infrastructure-compatible fuels directly from sunlight and waste carbon dioxide. It captures sunlight to produce energy in liquid forms, such as diesel and ethanol, as well as uses waste carbon dioxide as a sole feedstock to produce liquid fuels. Joule Unlimited, Inc. was formerly known as Joule Biotechnologies, Inc.and changed its name to Joule Unlimited, Inc. in 2010. The company was founded in 2007 and is headquartered in Cambridge, Massachusetts with an additional office in Los Angeles, California. | $70M | Series C | Jan 17, 2012 |  |
| Joule Unlimited Technologies | Joule Unlimited, Inc. produces infrastructure-compatible fuels directly from sunlight and waste carbon dioxide. It captures sunlight to produce energy in liquid forms, such as diesel and ethanol, as well as uses waste carbon dioxide as a sole feedstock to produce liquid fuels. Joule Unlimited, Inc. was formerly known as Joule Biotechnologies, Inc.and changed its name to Joule Unlimited, Inc. in 2010. The company was founded in 2007 and is headquartered in Cambridge, Massachusetts with an additional office in Los Angeles, California. | $30M | Series B | Apr 27, 2010 |  |

3 of 3 investments shown.

## About Petri

VC Fund · Boston, United States

Petri is a new approach for funding formation-stage startups at the intersection of biology and engineering. Petri is co-founded by entrepreneurs who have built iconic companies as well as academics who are driving foundational science in bioengineering; together we have deep experience developing ideas into successful companies across humanhealth and sustainability.We invest pre-seed and seed capital and work one-on-one with founders for 12+ months. We help founders build world-class teams, develop intellectual property, find customers, and raise a subsequent round of financing.

5 contacts available at Petri.

| Name | Title | Profile |
| --- | --- | --- |
| Brian Baynes | Founder | — |
| Jamie Goldstein | Founder and Chairman | https://shizune.co/investors/profile/jamie-goldstein |
| Jaye Goldstein | Head of Program | — |
| Josh Moser | Partner | — |
| Tony Kulesa | Founder, Partner | — |

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## FAQ

### What does Brian Baynes invest in?

Brian Baynes invests primarily in Solar, Energy and CleanTech startups, most often at Series B and Series C stage. Most of the 3 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 Brian Baynes?

Public channels for Brian Baynes 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 Brian Baynes last invest?

The most recent investment recorded for Brian Baynes closed in May 2015. Shizune tracks 3 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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