Premysl Rubes

Founder & Managing Partner, Presto Ventures
Premysl Rubes, founder-operator who built a 100% privately backed fund connecting companies to operators from Avast, Škoda and UiPath, backed Elin.ai at idea stage and co-launching a €150M security/defense-tech fund.
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Stages their fund invests in
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Sectors their fund invests in
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Avg Check
$100K-$3M
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Does their fund Lead?
Yes
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Geos their fund invests in
Europe
Premysl Rubes
Stages their fund invests in
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Sectors their fund invests in
SaaS
AI
Fintech
Defense
Cybersecurity
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Avg Check
$100K-$3M
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Leads?
Yes
N/A
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About Premysl Rubes

Premysl Rubes is a founder-operator who built Presto Ventures from scratch as a 100% privately backed fund by successful entrepreneurs and family offices, giving portfolio companies access to operators behind companies like Avast, Škoda, and UiPath rather than just institutional capital. He's known for backing Elin.ai purely at the idea stage—the only one of ~60 portfolio companies he supported this early—and is now shifting from traditional B2B SaaS toward deep tech and dual-use defense technologies, co-launching one of Europe's largest dedicated security/defense-tech funds with a €150M target.

About their Fund

Presto Ventures

Sectors
SaaS, AI, Fintech, Defense, Cybersecurity
Rounds
Pre-Seed - Seed
Avg Check Size
$100K-$3M

Presto Ventures is a venture capital fund empowering talented CEE start-up founders. They invest in promising technology start-ups, supporting them via the provision of invaluable resources and guidance, enabling them to achieve local and global success. Presto Ventures was founded by Přemysl Rubeš in 2016 and is headquartered in Prague.

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