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OSCAR JESIONEK

Co-Founder & CEO at Fonos

ActiveFounder Investor

Updated: Apr 2, 2026 ·

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Quick Facts

Role: Co-Founder & CEO
Company: Fonos
Status: Active
Type: Founder, Investor

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Frequently Asked Questions

Who is Oscar Jesionek?

Oscar Jesionek is Co-Founder & CEO at Fonos.

What companies has Oscar Jesionek founded?

Oscar Jesionek co-founded Fonos.