An angel investor based in New York, United States, Irwin Lieber has one known investment, Network-1.
Is Irwin Lieber a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
- Focus
- CybersecurityEnterprise SaaSIntellectual PropertyLicensing
Contacts
Irwin Lieber portfolio company (1)
- Network-1
Investor Profile
Founders in the listed sectors FinTech and SaaS, and focus areas Cybersecurity, Enterprise SaaS, Intellectual Property and Licensing will recognize the pattern in this portfolio.
The stage tag on this profile is Seed.
The portfolio and focus above give founders context on whether Irwin Lieber matches their raise.
Similar investors
Showing 20 of 100
Nelson Garza
angel investor and operator angel
Austin, United States
Glen Caplan
angel investor
Chapel Hill, United States
Christopher Grey
angel investor and operator angel
Manhattan Beach, United States
Jeff Ganek
angel investor
Bethesda, United States
David Kamenetsky
Principal
Toronto, Canada
Nate DaPore
Founder & Managing Partner
Miami, United States
Chris Galvin
angel investor
Chicago, United States
Gautam Gupta
Co-founder and General Partner
San Francisco, United States
Thomas Williams
angel investor and operator angel
London, United Kingdom
George Kassabgi
angel investor
West Palm Beach, United States
Scott Garber
Managing Partner
Washington, United States
Sheila Gulati
Founder and Managing Director
United States
Greg Martin
angel investor and operator angel
Austin, United States
Michael Vaughan
operator angel
Golden, United States
Bernard Barton
angel investor
London, United Kingdom
Gautam Kakodkar
angel investor
New York, United States
Serguei Netessine
Limited Partner
Seattle, United States
Ashish Mistry
Managing Partner
Atlanta, United States
Marc Gittleman
angel investor and operator angel
Pasadena, United States
Gabe Greenbaum
General Partner
Austin, United States
Frequently asked questions
Who is Irwin Lieber?
Irwin Lieber is an angel investor based in New York, United States with one known investment on file, Network-1. The sections above list the sectors and stages attached to that record.
What does Irwin Lieber invest in?
Listed sectors include FinTech and SaaS; listed focus areas include Cybersecurity, Enterprise SaaS, Intellectual Property and Licensing. 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 Irwin Lieber invest at?
The database lists Irwin Lieber for Seed 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.
How do I contact Irwin Lieber?
An email address, a phone number and a LinkedIn page are on file for Irwin Lieber. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal