Background
Studied mathematics at Imperial College London and worked as a deployment strategist at Palantir Technologies before co-founding ElevenLabs.
Role at ElevenLabs
Mati Staniszewski is the Polish-born co-founder and CEO of ElevenLabs. He grew up near Warsaw, studied mathematics at Imperial College London and worked at Palantir before starting ElevenLabs with school friend Piotr Dabkowski in 2022. As CEO he has led the company through its Series B (2024), Series C (2025), $11 billion Series D (February 2026) and $22 billion employee tender (September 2026).
Mateusz "Mati" Staniszewski was born in 1995.