Mario S. is an angel investor based in Sofia, Bulgaria with one known investment, CyberUpgrade.
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Investment focus
- Stage
- Seed
Contacts
Mario S. portfolio company (1)
- CyberUpgrade
Investor Profile
The listing covers sectors AI and SaaS, and focus areas Cloud Infrastructure, Enterprise SaaS, Machine Learning and Media. Startups operating in these areas may find Mario S. relevant.
The stage tag on this profile is Seed.
The portfolio and focus above give founders context on whether Mario S. matches their raise.
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Frequently asked questions
Who is Mario S.?
Mario S. is an angel investor based in Sofia, Bulgaria with one known investment on file, CyberUpgrade. The sections above list the sectors and stages attached to that record.
What does Mario S. invest in?
Listed sectors include AI and SaaS; listed focus areas include Cloud Infrastructure, Enterprise SaaS, Machine Learning and Media. 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 Mario S. invest at?
The database lists Mario S. 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 Mario S.?
A phone number and a LinkedIn page are on file for Mario S. 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 6 September 2026 · How this data is built · Report a correction or request removal