An angel investor and operator angel based in Munich, Bavaria, Germany, Ryan MacArthur has 2 known investments: CirroSecure and iSIGHT Partners.
Is Ryan MacArthur a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Ryan MacArthur portfolio companies (2)
- CirroSecure
- iSIGHT Partners
Investor Profile
The listing covers sectors FinTech and SaaS, and focus areas Developer Tools and Enterprise SaaS. Startups operating in these areas may find Ryan MacArthur relevant.
The portfolio and focus above give founders context on whether Ryan MacArthur matches their raise.
Similar investors
Showing 20 of 100
Mohit Aron
operator angel
San Jose, United States
James Wrighton
angel investor and operator angel
Long Melford, United Kingdom
Yoram Nelken
General Partner
Tel Aviv, Israel
Quentin de Metz
operator angel
Lyon, France
Julien Chaumond
operator angel
Brooklyn, United States
Dafeng Guo
operator angel
Hong Kong
Andreas Klinger
angel investor and operator angel
Berlin, Germany
Alexander Szlezak
angel investor
Vienna, Austria
Arjun Bhuptani
operator angel
Portugal
Eleftherios Diakomichalis
operator angel
Berlin, Germany
Guillaume Dubé
angel investor and operator angel
Montreal, Canada
Daniel C Meira
angel investor and operator angel
Barcelona, Spain
Suzy Welch
Contributor, Today with Hoda & Jenna
New York, United States
Brian Armstrong
angel investor and operator angel
Toronto, Canada
Bob Lewis Mbe
angel investor and operator angel
London, United Kingdom
Lucas Bruder
operator angel
Austin, United States
Faiye M.
angel investor
Sydney, Australia
Aaron Hirschhorn
operator angel
Claire Hughes Johnson
operator angel
United States
Jesper Wahrendorf
angel investor and operator angel
Hamburg, Germany
Frequently asked questions
Who is Ryan MacArthur?
Ryan MacArthur is an angel investor and operator angel based in Munich, Bavaria, Germany with 2 known investments on file, among them CirroSecure and iSIGHT Partners. The sections above list the sectors attached to that record.
What does Ryan MacArthur invest in?
Listed sectors include FinTech and SaaS; listed focus areas include Developer Tools and Enterprise 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.
How do I contact Ryan MacArthur?
A LinkedIn page is on file for Ryan MacArthur. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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