Zack Rosen is an Investor at Ribbit Capital, whose known portfolio counts 9 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at Ribbit Capital, whose known portfolio counts 9 companies
- Alpaca
- Decagon
- Stedi
- Etched.ai
- Outpost
- Somos Internet
- Breezy
- Evervault
- Slash
Investor Profile
Founders in the listed sectors AI, FinTech and SaaS, and focus areas API, Crypto, Embedded Finance and Enterprise SaaS fall inside that listing.
Ribbit Capital appears in Growth, Late-Stage and Pre-Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Zack Rosen matches their raise.
Colleagues at Ribbit Capital
Nick Shalek
Investor
Palo Alto, United States
Eva Alonso
Investor
San Francisco, United States
Justin Saslaw
Investor
New York, United States
Sophia Lee
Investor
San Francisco, United States
GuiLan Huang
Co-Founder
Menlo Park, United States
Meyer Malka
Affiliated
Palo Alto, United States
Ben Paull
Investor
United States
Cindy McAdam
Investor
United States
Sigal Mandelker
Investor
United States
Frequently asked questions
Who is Zack Rosen?
Zack Rosen is a venture capital investor based in San Francisco, California, United States, listed as Investor at Ribbit Capital. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to Zack Rosen personally.
What does Zack Rosen invest in?
Listed sectors include AI, FinTech and SaaS; listed focus areas include API, Crypto, Embedded Finance and Enterprise SaaS. 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 Zack Rosen invest at?
Ribbit Capital appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Zack Rosen is listed there as Investor. 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 Zack Rosen listed at?
Zack Rosen is listed as Investor at Ribbit Capital. 9 other people in the database share a firm with Zack Rosen.
How do I contact Zack Rosen?
An email address, a phone number and a LinkedIn page are on file for Zack Rosen. 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