Mati Staniszewski

Mati Staniszewski is the co-founder and CEO of ElevenLabs, an artificial intelligence voice technology company based in Warsaw, Poland. Before launching the startup alongside Piotr Dąbkowski in January 2022, he earned a mathematics degree from Imperial College London and held professional roles at BlackRock and Palantir Technologies. Under his leadership, ElevenLabs has rapidly scaled to $330 million in annual recurring revenue and secured an $11 billion valuation following a $500 million Series D funding round backed by Sequoia Capital. Beyond his primary executive duties, Staniszewski joined the board of directors at Klarna in 2025 and maintains an estimated 15% equity stake in ElevenLabs, contributing to a $1.1 billion net worth. His current professional focus centers on advancing generative audio technology, developing multilingual capabilities, and expanding enterprise applications for natural speech synthesis across various global markets.