# Neil Auerbach

> Neil Auerbach is a Series B investor at Hudson Sustainable Group backing Solar. See 4 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Fund: [Hudson Sustainable Group](https://shizune.co/investors/profile/hudson-clean-energy-partners)
- Location: Teaneck, United States
- Total investments: 4
- Last investment: Sep 2015
- Lead investor: 50%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/neil-auerbach-662b918
- X (Twitter): https://x.com/NeilAuerbach

Neil Auerbach is a Series B investor at Hudson Sustainable Group in Teaneck focused on Solar and Electronics. Neil Zachary Auerbach is based out of Miami, Florida and is the Founder, CEO, Managing Partner & Chairman of Hudson Sustainable Group. Neil previously worked at Goldman Sachs as a Partner. Neil Zachary Auerbach attended the New York University School of Law.

## Contacts

5 contacts available for Neil Auerbach: 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/neil-z-auerbach?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Solar | 1 | 25% |
| Electronics | 1 | 25% |
| Manufacturing | 1 | 25% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 25% |
| Series C | 1 | 25% |
| Series F | 1 | 25% |
| Private Equity | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Silicor Materials | Silicor Materials Inc. is the new name for Calisolar Inc., effective February 1, 2012. Silicor Materials is a manufacturer of solar and aluminum products, including the leading high-quality, low-cost solar silicon. The company has silicon purification operations at the company's wholly owned subsidiary, Silicor Materials Canada Inc., locatedin Ontario, Canada; and a state-of-the-art research and development center in Berlin, Germany. Its investors include Advanced Technology Ventures, Globespan Capital Partners, Good Energies, Hudson Clean Energy Partners, and Ventures West. | $105M | Private Equity | Sep 16, 2015 | http://www.silicormaterials.com |
| Silicor Materials | Silicor Materials Inc. is the new name for Calisolar Inc., effective February 1, 2012. Silicor Materials is a manufacturer of solar and aluminum products, including the leading high-quality, low-cost solar silicon. The company has silicon purification operations at the company's wholly owned subsidiary, Silicor Materials Canada Inc., locatedin Ontario, Canada; and a state-of-the-art research and development center in Berlin, Germany. Its investors include Advanced Technology Ventures, Globespan Capital Partners, Good Energies, Hudson Clean Energy Partners, and Ventures West. |  | Series F | Sep 04, 2013 | http://www.silicormaterials.com |
| Silicor Materials | Silicor Materials Inc. is the new name for Calisolar Inc., effective February 1, 2012. Silicor Materials is a manufacturer of solar and aluminum products, including the leading high-quality, low-cost solar silicon. The company has silicon purification operations at the company's wholly owned subsidiary, Silicor Materials Canada Inc., locatedin Ontario, Canada; and a state-of-the-art research and development center in Berlin, Germany. Its investors include Advanced Technology Ventures, Globespan Capital Partners, Good Energies, Hudson Clean Energy Partners, and Ventures West. | $60M | Series C | Jun 08, 2009 | http://www.silicormaterials.com |
| Silicor Materials | Silicor Materials Inc. is the new name for Calisolar Inc., effective February 1, 2012. Silicor Materials is a manufacturer of solar and aluminum products, including the leading high-quality, low-cost solar silicon. The company has silicon purification operations at the company's wholly owned subsidiary, Silicor Materials Canada Inc., locatedin Ontario, Canada; and a state-of-the-art research and development center in Berlin, Germany. Its investors include Advanced Technology Ventures, Globespan Capital Partners, Good Energies, Hudson Clean Energy Partners, and Ventures West. | $101.8M | Series B | Nov 03, 2008 | http://www.silicormaterials.com |

4 of 4 investments shown.

## Co-investors
- [Advanced Technology Ventures](https://shizune.co/investors/profile/advanced-technology-ventures) — VC Fund, 2 deals together
- [Globespan Capital Partners](https://shizune.co/investors/profile/globespan-capital-partners) — VC Fund, 2 deals together

## About Hudson Sustainable Group

VC Fund · Teaneck, United States

Hudson Clean Energy Partners is a private equity firm formed in 2007 to invest in the dynamic and fast-growing clean energy markets. Members of the Hudson senior team formerly led the U.S. alternative energy investing platform at Goldman Sachs Group, Inc.'s Special Situations Group, headed renewable energy investments for GeneralElectric's (“GE”) Energy Financial Services unit, and served as Chairman of the Energy Group and Vice Chairman of Credit Suisse's Investment Banking Department for the Americas.

4 contacts available at Hudson Sustainable Group.

| Name | Title | Profile |
| --- | --- | --- |
| Neil Auerbach | Managing Partner | https://shizune.co/investors/profile/neil-z-auerbach |
| Joseph E. Slamm | Partner | https://shizune.co/investors/profile/joseph-e-slamm |
| Wilson Chang | Principal | https://shizune.co/investors/profile/wilson-chang |
| Zhongmin Shen | Partner, Head of China Operations | https://shizune.co/investors/profile/zhongmin-shen |

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## FAQ

### What does Neil Auerbach invest in?

Neil Auerbach invests primarily in Solar, Electronics and Manufacturing startups, most often at Series B and Series C stage. Most of the 4 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 Neil Auerbach?

Public channels for Neil Auerbach include LinkedIn and X (Twitter). 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 Neil Auerbach last invest?

The most recent investment recorded for Neil Auerbach closed in Sep 2015. Shizune tracks 4 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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