Investor profile
Zain Rizavi
Angel, Operator angel & Scout at Kleiner Perkins, Co-founder & CEO at Stealth
Zain Rizavi is an angel investor and operator angel based in San Francisco, California, United States. The known portfolio counts 4 companies: Unbound Security, Prompt Security, Channel99 and Ottocredit.
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Investment focus
- Sector
- AIHealthcareSaaS
Contacts
Zain Rizavi portfolio companies (4)
- Unbound Security
- Prompt Security
- Channel99
- Ottocredit
Affiliated funds' portfolios
Scout at Kleiner Perkins, whose known portfolio counts 10 companies
- Rogo
- Harvey
- Granola
- Parallel
- Sage Haven
- Avoca
- Saronic
- Manifest OS
- Applied Compute
- Balerion AI
Co-founder & CEO at Stealth, whose known portfolio counts 6 companies
- Lingopal
- NVision Imaging Technologies
- GEMGEM
- Hilt
- Scarlet AI
- SimuPhish
Investor Profile
Founders in the listed sectors AI, Healthcare and SaaS, and focus areas Biotech, Cloud Infrastructure, Cybersecurity and Data Analytics will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Seed and Series A rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues
Showing 20 of 107
Ali Sina
Founder and CEO
Irvine, United States
Vishal Lugani
Stealth │ Venture Capital Investor
San Francisco, United States
Kerem Ozkan
Investor
New York, United States
James Isilay
Investor
Zürich, Switzerland
Ilya Fushman
Partner
San Francisco, United States
John Doerr
Partner
Menlo Park, United States
Nurzhas M.
Founder
San Francisco, United States
Christian Stiebner
Venture Partner
Germany
Wenyi Zhu
Angel Investor
San Francisco, United States
James Huang
Managing Partner
Millbrae, United States
Baris Aksoy
Investor
San Francisco, United States
Thomas Williams
Board
United Kingdom
Jordan Clifford
Investor
Austin, United States
Sean Fee
Founder, Executive, Investor
San Francisco, United States
George Stamelos
Investor
London, United Kingdom
Mamoon Hamid
Partner
San Francisco, United States
Marissa Bertorelli
Investor
San Francisco, United States
Annie Case
Partner
San Francisco, United States
Justus Byok
Affiliated
Berlin, Germany
Gareth Keane
Investor
Santa Clara, United States
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Alexander Rosen
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Hasan Rizvi
Founding Partner
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Dan S.
Senior Managing Director/Founder
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Jake Seid
Co-Founder and General Partner
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Frequently asked questions
Who is Zain Rizavi?
Zain Rizavi is an angel investor and operator angel based in San Francisco, California, United States with 4 known investments on file, among them Unbound Security, Prompt Security and Channel99. The sections above list the sectors, stages and firms attached to that record.
What does Zain Rizavi invest in?
Listed sectors include AI, Healthcare and SaaS; listed focus areas include Biotech, Cloud Infrastructure, Cybersecurity and Data Analytics. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Zain Rizavi invest at?
The known deals of Zain Rizavi include Seed and Series A rounds. 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 Zain Rizavi listed at?
Zain Rizavi is listed as Scout at Kleiner Perkins. 107 other people in the database share a firm with Zain Rizavi.
How do I contact Zain Rizavi?
A phone number and a LinkedIn page are on file for Zain Rizavi. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal