# Peter Murphy

> Peter Murphy is a seed investor at American Capital backing Battery and Software. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [American Capital](https://shizune.co/investors/profile/american-capital)
- Total investments: 2
- Last investment: Dec 2021
- Lead investor: 0%
- Last updated: Aug 2026

Peter Murphy is a seed investor at American Capital focused on Battery and Software. Peter Murphy joined American Capital in January 2013. Peter was President and CEO of Astrodyne Corporation, a power solutions company, from 2005 to 2013. Prior to that, he was President and CEO of Parlex Corporation (PRLX:NASD) and President of Teledyne Electro-Mechanisms. Peter was Chairman of the IPC, the world’s largest electronicsstandards organization, from 2002 to 2005. Peter retired as a Captain in the United States Naval Reserves.Peter Murphy received his BS in Finance from Mt. St. Mary’s University. He was designated an aviator by the USN Aviation Command and is a graduate of the Stanford University Engineering Executive Program.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.3M–$2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Battery | 1 | 50% |
| Software | 1 | 50% |
| Automotive | 1 | 50% |
| Wind Energy | 1 | 50% |
| Energy Storage | 1 | 50% |

6 industries tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Ireland | 1 | 50% |
| United Kingdom | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Breathe Battery Technologies | Physics-based adaptive charging for software-defined batteries. We help the world’s leading automotive and consumer electronics brands deliver superior charging experiences. Our dream is that one day everyone will breathe clean air. That's why we make batteries better. | $2M | Seed | Dec 02, 2021 |  |
| Gazelle Wind Power | Gazelle Wind Power is a developer of a floating wind platform. Gazelle Wind Power is advancing a platform designed and engineered to enable floating offshore wind production in deeper waters farther out at sea. | $1.3M | Seed | Aug 11, 2021 |  |

2 of 2 investments shown.

## Co-investors
- [Speedinvest](https://shizune.co/investors/profile/speedinvest) — VC Fund, 1 deal together
- [Zach](https://shizune.co/investors/profile/zach) — VC Fund, 1 deal together

## About American Capital

VC Fund · Bethesda, United States

American Capital (Nasdaq:ACAS), with $20 billion in capital resources under management,1 is the only private equity fund and the largest alternative asset management company in the S&P 500.American Capital, both directly and through its global asset management business, originates, underwrites and manages investments in private equity,leveraged finance, real estate and structured products. American Capital and its affiliates invest from $5 million to $800 million per company in North America and €5 million to €500 million per company in Europe.Since its August 1997 IPO, American Capital and the funds it manages have invested approximately $32 billion in over 475 portfolio companies. Our diverse portfolio is invested in virtually every industry sector. We have over 200 investment professionals in 13 offices in the United States and Europe.As a publicly traded company, we offer shareholders an opportunity to invest in privately held middle market companies through ownership of our stock.

5 contacts available at American Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Dana Dratch | Principal, CDO-CLO | https://shizune.co/investors/profile/dana-dratch |
| Eugene Krichevsky | Managing Director, Lower Middle Market Buyouts | https://shizune.co/investors/profile/eugene-krichevsky |
| Benjamin Suquet | Investment Director, UK Buyouts | https://shizune.co/investors/profile/benjamin-suquet |
| Brian S. Graff | Senior Managing Director | https://shizune.co/investors/profile/brian-s-graff |
| Darin R. Winn | Senior Vice President and Senior Managing Director | https://shizune.co/investors/profile/darin-r-winn |

## Similar investors

### Similar industry
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### Similar stage
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### Similar country
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## FAQ

### What does Peter Murphy invest in?

Peter Murphy invests primarily in Battery, Software and Automotive startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Ireland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Peter Murphy's check size?

Peter Murphy typically joins rounds of $1.3M–$2M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Peter Murphy participates in.

### When did Peter Murphy last invest?

The most recent investment recorded for Peter Murphy closed in Dec 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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