Elek Straub is a Founding Partner at Day One Capital, whose known portfolio counts 19 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Founding Partner at Day One Capital, whose known portfolio counts 19 companies
- Allonic
- Miros
- Orqa
- Whalebone
- Colossyan
- Hithium Energy Storage
- Perciv AI
- Qneiform
- ABZ Innovation
- Commsignia
- Huasun Energy
- Juewu Technology
- and 7 more
Investor Profile
Elek Straub is listed against sectors AI, Consumer, Hardware and SaaS, and focus areas AI Applications, Computer Vision, Cybersecurity and Developer Tools in the database.
Stage-wise, the deals at Day One Capital cluster around Pre-Seed, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Elek Straub matches their raise.
Colleagues at Day One Capital
Zsolt Weiszbart
Partner
Hungary
Judit Lucz
CFO&Partner
Budapest, Hungary
Dóra Branyiczki
Principal
Hungary
Csaba Kakosy
Managing Partner
Budapest, Hungary
András Fehér
Principal
Budapest, Hungary
Yuhan Wang
Vice President
Beijing, China
Gyorgy Simo
Managing Partner
Hungary
Frequently asked questions
Who is Elek Straub?
Elek Straub is a venture capital investor based in Budapest, Hungary, listed as Founding Partner at Day One Capital. The known portfolio of that firm counts 19 companies. That portfolio belongs to the firm, not to Elek Straub personally.
What does Elek Straub invest in?
Listed sectors include AI, Consumer, Hardware and SaaS; listed focus areas include AI Applications, Computer Vision, Cybersecurity and Developer Tools. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Elek Straub invest at?
Day One Capital appears in Pre-Seed, Seed and Series A rounds across its known deals, and Elek Straub is listed there as Founding Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Elek Straub listed at?
Elek Straub is listed as Founding Partner at Day One Capital. 7 other people in the database share a firm with Elek Straub.
How do I contact Elek Straub?
An email address, a phone number and a LinkedIn page are on file for Elek Straub. 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