Yahya Ulker is an operator angel based in Istanbul, Turkey. The known portfolio counts 4 companies: Refabric, Sentez, Yenir and Istegelsin.
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Investment focus
Contacts
Yahya Ulker portfolio companies (4)
- Refabric
- Sentez
- Yenir
- Istegelsin
Investor Profile
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether Yahya Ulker matches their raise.
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Frequently asked questions
Who is Yahya Ulker?
Yahya Ulker is an operator angel based in Istanbul, Turkey with 4 known investments on file, among them Refabric, Sentez and Yenir. The sections above list the stages attached to that record.
What stage does Yahya Ulker invest at?
The known deals of Yahya Ulker include Pre-Seed and 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 Yahya Ulker?
An email address, a phone number and a LinkedIn page are on file for Yahya Ulker. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal