Investor profile
Stephanie A. Rieben-de Roquefeuil
Operator-led, Syndicate / Angel group & Limited Partner at Gaingels, Co-Founder & CEO at Diadem Capital, Angel Member at Georgetown Angel Investor Network
Stephanie A. Rieben-de Roquefeuil is a Limited Partner at Gaingels, whose known portfolio counts 19 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Limited Partner at Gaingels, whose known portfolio counts 19 companies
- Momentum
- Yumi
- Reliable Robotics
- Ezra AI
- Sage Haven
- Parsley Health
- Alloy Therapeutics
- Impossible Metals
- Mermaid Chart
- Brev.io
- Future Fertility
- Louisa AI
- and 7 more
Co-Founder & CEO at Diadem Capital
Angel Member at Georgetown Angel Investor Network, whose known portfolio counts 5 companies
- Pacto
- Atlantic Fish Company
- Hiveclass
- AutoSled
- Joylet
Investor Profile
Founders in the listed sectors AI, Climate, Commerce and Consumer, and focus areas AI Applications, Analytics, Automotive and Biotech fall inside that listing.
Stage-wise, the deals at Gaingels cluster around Growth, Pre-Seed and Seed rounds.
The firm portfolio and the focus above give founders context on whether Stephanie A. Rieben-de Roquefeuil matches their raise.
Colleagues
Showing 20 of 42
Lorenzo Thione
OG AI Founder (2003)
Chicago, United States
Ted Leonsis
Advisory Board
Washington, United States
Paul Grossinger
Founder
New York, United States
David Gutelius
Member, Investor, Advisor
Reno, United States
Wasim Ahmad
Member
New York, United States
Dustin Dunbar
Member
Richmond, United States
Robert Lennox
Angel Investor
Los Angeles, United States
Eileen Coskey Fracchia
Angel Investor
Los Angeles, United States
Devon G.
Founding Member
Bronxville, United States
Jana Mike
Investor
San Francisco, United States
Alan Masarsky
Investor
Los Angeles, United States
Gregg Smith
Member
New York, United States
Brandon Parkes
Advisor
New York City, United States
Melissa Withers
Member
Boston, United States
Cathal O'Dea
Venture Capital & Operations
New York City, United States
Cristian Raygoza
Venture Partner / prev. CoS
San Francisco, United States
Peter Steinberg
Managing Partner
Brooklyn, United States
Yves Ançay Crosato
Investor
Brazil
Tyshaia Earnest
Storyteller, Community Builder & Venture Capitalist
New York, United States
Halla Bergsdóttir
Global Investors
St Louis, United States
Frequently asked questions
Who is Stephanie A. Rieben-de Roquefeuil?
Stephanie A. Rieben-de Roquefeuil is an operator-led investor and syndicate member based in New York, United States, listed as Limited Partner at Gaingels. The known portfolio of that firm counts 19 companies. That portfolio belongs to the firm, not to Stephanie A. Rieben-de Roquefeuil personally.
What does Stephanie A. Rieben-de Roquefeuil invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include AI Applications, Analytics, Automotive and Biotech. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Stephanie A. Rieben-de Roquefeuil invest at?
Gaingels appears in Growth, Pre-Seed and Seed rounds across its known deals, and Stephanie A. Rieben-de Roquefeuil is listed there as Limited Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Stephanie A. Rieben-de Roquefeuil listed at?
Stephanie A. Rieben-de Roquefeuil is listed as Limited Partner at Gaingels. 42 other people in the database share a firm with Stephanie A. Rieben-de Roquefeuil.
How do I contact Stephanie A. Rieben-de Roquefeuil?
An email address, a phone number and a LinkedIn page are on file for Stephanie A. Rieben-de Roquefeuil. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal