Maciej Zientara is an angel investor and operator angel based in Warsaw, Poland. The known portfolio is one company, Solar Spy.
Is Maciej Zientara a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Pre-Seed
- Focus
- CybersecurityEdTech
Contacts
Maciej Zientara portfolio company (1)
- Solar Spy
Investor Profile
Founders in the listed sectors AI, Climate, Education and SaaS, and focus areas Cybersecurity and EdTech will recognize the pattern in this portfolio.
Maciej Zientara is listed for Pre-Seed rounds in the database.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Similar investors
Showing 20 of 100
Zygmunt Grajkowski
angel investor and operator angel
Otwocki, Poland
Mateusz Bodio
venture capital investor
Warsaw, Poland
Dorota Zimnoch
Chief AI and Innovation Strategist & C-Suite Advisor
London, United Kingdom
Arek Zarowski
Partner
San Francisco, United States
Zaid Al Aifari
angel investor
Turkey
Jonathan B. Miller
angel investor and operator angel
Pittsburgh, United States
Attilio Mazzilli
angel investor
Milan, Italy
Vincent Mace
operator angel
Paris, France
Adam Jafer
operator angel
Sweden
Volker Hirsch
Mentor
Macclesfield, United Kingdom
Doug Scott
angel investor and operator angel
London, United Kingdom
Martin Villig
Co-Founder
Estonia
Namit Merchant
operator angel
Como, Italy
Michael Matias
Investor
Palo Alto, United States
Maciej Artur Noga
Managing Partner
Warsaw, Poland
Eliran Keren
angel investor and operator angel
Tel Aviv-Yafo, Israel
Kamil Mieczakowski
General Partner
United Kingdom
Yossi Matias
operator angel
United States
Siegfried Milly
angel investor and operator angel
Austria
Yoram Nelken
General Partner
Tel Aviv, Israel
Frequently asked questions
Who is Maciej Zientara?
Maciej Zientara is an angel investor and operator angel based in Warsaw, Poland with one known investment on file, Solar Spy. The sections above list the sectors and stages attached to that record.
What does Maciej Zientara invest in?
Listed sectors include AI, Climate, Education and SaaS; listed focus areas include Cybersecurity and EdTech. 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 Maciej Zientara invest at?
The database lists Maciej Zientara for Pre-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 Maciej Zientara?
A LinkedIn page is on file for Maciej Zientara. 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