Daniel Rappaport
Board of Directors @ Connecticut Innovations
New York, United States
Daniel Rappaport is a Series A investor at Connecticut Innovations in New York focused on Marketing and Transaction Processing. Mr. Rappaport served as Chairman of the Board/CEO of the New York Mercantile Exchange (NYMEX) from 1993 through March 2001. Mr. Rappaport also served as a member of the Board of NYMEX from May 2006 through August 2008 where he participated in the process that led to an IPO that valued NYMEX at approximately twelve billion dollars. As a NYMEX board member, Mr. Rappaport was also involved in the negotiations that resulted in the acquisition of NYMEX by the CME Group. Mr. Rappaport served as an independent director on the board of GreenX and was Chairman of the Regulatory Oversight Committee. Mr. Rappaport was appointed by the U.S. Secretary of Energy to serve as a member of the National Petroleum Council (NPC) and he was also appointed to serve as a member of the U.S. Commodity Futures Trading Commission (CFTC) Global Markets Advisory Committee. He served as a board member of the Futures Industry Institute, a trustee on the Board of Trustees of New York Law School, and as an appointment of the Governor of the State of Connecticut on the board of directors of Connecticut Innovations. Mr. Rappaport is a graduate of New York Law School and is licensed to practice law in the State of New York. He also holds an MBA from Baruch College and is a graduate of Syracuse University.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 50%
Last updated:
For AI agents: llms.txt
Industries Daniel Rappaport invests in
Stages Daniel Rappaport invests in
Countries Daniel Rappaport invests in
Contacts
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Investment Focus
Industry
- Marketing 1 (50%)
- Transaction Processing 1 (50%)
- Environmental Engineering 1 (50%)
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 | ||
| 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. | Series A / Apr 17, 2012 |
Co-Investors
About Connecticut Innovations
[Connecticut Innovations](http://www.ctinnovations.com) provides strategic capital and operational insight to to companies in high-tech industries such as energy, biotechnology, information technology, and photonics. Their mission is to be the leading source of financing and ongoing support for Connecticut’s innovative, growing companies. By offering flexible financing, strategic guidance and introductions to valuable partners, Connecticut innovations enable promising businesses to thrive.
Connecticut Innovations Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Alison Malloy
Managing Director, Investments
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Daniel Rappaport
Board of Directors
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Matthew D. Storeygard
Managing Director, Venture Capital Investments
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Dan Devine
Regenerative Medicine Research Fund Advisory Committee Member
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FAQ
What does Daniel Rappaport invest in?
Daniel Rappaport invests primarily in Marketing, Transaction Processing and Environmental Engineering startups, most often at Series A stage. Most of the 2 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 Daniel Rappaport?
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When did Daniel Rappaport last invest?
The most recent investment recorded for Daniel Rappaport closed in Jan 2014. 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 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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