An angel investor based in Geneva, Switzerland, Julien Castro has 2 known investments: Mapstr and Alkira, Inc.
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Investment focus
- Stage
- Seed
Contacts
Julien Castro portfolio companies (2)
- Mapstr
- Alkira, Inc.
Investor Profile
Stage-wise, the known deals cluster around Seed rounds.
The portfolio and focus above give founders context on whether Julien Castro matches their raise.
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Frequently asked questions
Who is Julien Castro?
Julien Castro is an angel investor based in Geneva, Switzerland with 2 known investments on file, among them Mapstr and Alkira, Inc. The sections above list the stages attached to that record.
What stage does Julien Castro invest at?
The known deals of Julien Castro include 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 Julien Castro?
A LinkedIn page is on file for Julien Castro. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number 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