Irving Weisselberger is an angel investor based in Miami, Florida, United States with one known investment, DoorLoop.
Is Irving Weisselberger a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
- Sector
- Real EstateSaaS
- Focus
- Vertical SaaS
Contacts
Irving Weisselberger portfolio company (1)
- DoorLoop
Investor Profile
The known portfolio sits in sectors Real Estate and SaaS, and focus area Vertical SaaS.
Irving Weisselberger is listed for Seed rounds in the database.
The portfolio and focus above give founders context on whether Irving Weisselberger matches their raise.
Similar investors
Showing 20 of 99
David M. Wyler
Co-Founder & Vice Chairman
New York, United States
Ron Wiener
angel investor and operator angel
Mercer Island, United States
Michael Elgarten
angel investor and operator angel
Woodbury, United States
Deutsche Digital
angel investor and operator angel
Berlin, Germany
David Wieder
angel investor
Miami, United States
David Wu
Angel Investor
Torrance, United States
David J. Fishman
angel investor and operator angel
New York City, United States
Jeff Richards
angel investor and operator angel
Brooklyn, United States
David Shvarts
angel investor
San Francisco, United States
Jesse Weber
angel investor
Austin, United States
Adam F Gross
angel investor and operator angel
Los Angeles, United States
Eric Wu
angel investor and operator angel
San Francisco, United States
Sean Breuner
angel investor
Los Angeles, United States
J Winkelried
angel investor
New York, United States
Keith Wasserman
President & Co-Founder
Los Angeles, United States
Ed Weinfurtner
Co-Founder & Managing Partner
Cleveland, United States
Adam Dreiblatt
Investor
Seattle, United States
Ray Wirta
angel investor
Laguna Hills, United States
David Wieland
angel investor and operator angel
Austin, United States
Jeffrey Berman
General Partner
New York, United States
Frequently asked questions
Who is Irving Weisselberger?
Irving Weisselberger is an angel investor based in Miami, Florida, United States with one known investment on file, DoorLoop. The sections above list the sectors and stages attached to that record.
What does Irving Weisselberger invest in?
Listed sectors include Real Estate and SaaS; listed focus areas include Vertical SaaS. 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 Irving Weisselberger invest at?
The database lists Irving Weisselberger 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 Irving Weisselberger?
An email address, a phone number and a LinkedIn page are on file for Irving Weisselberger. 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