Ralph Earle III
Managing Director @ Clean Energy Venture Group
Ralph Earle III is a Series A investor at Clean Energy Venture Group focused on Marketing and Transaction Processing. Mr. Earle is a founding Managing Director of the Clean Energy Venture Group, an investment organization with activity in the areas of fuel cells, wind power, and energy conservation. Mr. Earle is also the founder of the Assabet Group, a consulting firm working with market leading companies and financial organizations to catalyze superior financial performance through investments and action on energy efficiency, clean technology, and pollution reduction. He is the author of numerous papers and speeches on the link between environmental performance and shareholder value, environmental strategy, environmental management, recycling, life cycle analysis, and solid waste management. Previously, Mr. Earle was the founding Director of the Alliance for Environmental Innovation, a project of the Environmental Defense Fund and The Pew Charitable Trusts. The Alliance's projects with SC Johnson, Starbucks and United Parcel Service are widely hailed as examples of positive environmental change. Before the Alliance, Mr. Earle spearheaded Arthur D. Little's Competitive Environmental Strategy practice, where he helped corporations integrate environmental considerations into long-term decision making. Prior to Arthur D. Little, Mr. Earle served as Assistant Secretary of Environmental Affairs for the Commonwealth of Massachusetts. There he set and managed state policy in the areas of solid waste disposal and recycling. Mr. Earle is a Board Observer at Purpose Energy and previously served on the board of eQuilibrium Solutions (acquired by EnerNOC). He also serves on the Editorial Board for the Journal of Sustainable Product Design, on the Advisory Board of the Center for Business and the Environment at Yale, is a Governor of the Concord Museum and co-chairs the "Pay-If" Committee of the American Cancer Society. He holds an MBA from the Yale School of Management and a BA, cum laude, from Harvard College.
- Total investments:
- 1
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Ralph Earle III invests in
Stages Ralph Earle III invests in
Countries Ralph Earle III invests in
Contacts
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Investment Focus
Industry
- Marketing 1 (100%)
- Transaction Processing 1 (100%)
- Environmental Engineering 1 (100%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Skystream Markets Inc. operates as an institutional transaction platform for the environmental markets in the United States and internationally. Its platform offers automation in the trade cycle, including execution, trade capture, processing, and reporting. The company also acts as a neutral intermediary for market participants in theenvironmental markets; provides client support, which includes structuring customized physical and financial hedging strategies in the spot, option, and forward markets; and builds auctions and electronic markets for the primary and secondary markets in renewable energy certificate (REC) markets. In addition, Skystream Markets offers transaction services in REC markets. Further, the company operates a trading platform that connects pools of capital with renewable power projects through an electronic process. It serves power producers and major trading counterparties. Skystream Markets was founded in 2009 and is based in New York, New York with a sales office in Boston, Massachusetts. | $4M / Series A / Jan 21, 2014 |
Co-Investors
Clean Energy Venture Group is an angel investment group that provides seed capital and management expertise to early stage clean energy companies. The group is comprised of seasoned operating executives with strong capabilities in the energy and environmental sectors. With each investment, they not only bring capital, but also the value of their experience and network to help companies achieve their goals. While their focus is in the Northeast United States, they have worked with companies throughout the country.
Clean Energy Venture Group Contacts
| Name | Phone | Socials | |
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Cara Tobin
Venture Partner
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Coleman Adams
Partner
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John Keane
Affiliates
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Mitch Tyson
Partner
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Ralph Earle III
Managing Director
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FAQ
What does Ralph Earle III invest in?
Ralph Earle III invests primarily in Marketing, Transaction Processing and Environmental Engineering startups, most often at Series A stage. Most of the 1 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 Ralph Earle III?
Public channels for Ralph Earle III 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 Ralph Earle III last invest?
The most recent investment recorded for Ralph Earle III closed in Jan 2014. Shizune tracks 1 investment 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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