Mati Staniszewski

Last updated
Mati Staniszewski
Born
Mateusz Staniszewski

1995 (1995)
Citizenship Poland
Education Imperial College London
Occupations
  • Businessman
  • entrepreneur
Known forCo-founding ElevenLabs

Mateusz "Mati" Staniszewski (born 1995 [1] ) is a Polish entrepreneur and a co-founder of ElevenLabs.

Contents

Early life and education

Staniszewski was born in a town outside Warshaw. He moved to the city to go to high school. He finished Copernicus Bilingual High School in Warsaw  [ Wikidata ]. He graduated from Imperial College in London with a degree in mathematics. [1] [2] [3]

Career

While in Imperial college, he had his first start-up experience, putting together Mathscon. It was the student led Mathematics conference in the UK, focused on the fun side of math outside university. [3]

He worked at Opera Software, BlackRock, where he helped launch the Aladdin Wealth platform, and Palantir Technologies, as a Deployment Strategist, managing large-scale implementation across public and private sectors. [1] [2] [4] In 2025 he joined the board of Klarna, a Swedish fintech company. [5]

ElevenLabs

In May 2022 he and his high school friend Piotr Dabkowski co-founded ElevenLabs, a company that specializes in developing natural-sounding speech synthesis software using deep learning. [6] Staniszewski serves as the CEO. [7] He raised hundreds of millions of dollars from venture firms including Sequoia, Andreessen Horowitz, Salesforce Ventures. Because of its valuation trajectory and the scale of investment it has attached, ElevenLabs is often cited as one of the Europe's most valuable fastest-growing AI startups", alongside Mistral AI and Lovable, and is considered a significant player in the continent's generative AI ecosystem. In December 2025, it was valued at 6.6 billion dollars. [8]

In 2024, together with his co-founder, he was included in Forbes 30 Under 30 Europe. In December 2025 he was featured on the cover of Forbes magazine. [9]

References

  1. 1 2 3 Wendzonka, Katarzyna (2025-12-03). "Ma 30 lat i właśnie trafił na okładkę amerykańskiego "Forbesa". Kim jest Mati Staniszewski?". Fashion Biznes (in Polish). Retrieved 2025-12-18.
  2. 1 2 Domaradzki, Krzysztof. "Sprawili, że Leonardo DiCaprio przemówił głosem Kim Kardashian — i zostali jednorożcem. Polscy magicy od dźwięku warci miliard dolarów". Forbes.pl (in Polish). Retrieved 2025-12-18.
  3. 1 2 Shah, Parin (2023-02-06). "Mati Staniszewski (#047)". Warm Intro. Retrieved 2026-01-16.
  4. ↑ "Now hear this: Voice cloning AI startup ElevenLabs nabs $19M from a16z and other heavy hitters". VentureBeat. 2023-06-20. Archived from the original on 2023-07-27. Retrieved 2025-12-18.
  5. ↑ "Mati Staniszewski appointed to Klarna Group PLC Board of Directors | Klarna International". www.klarna.com. Retrieved 2025-12-18.
  6. ↑ Wiggers, Kyle (2023-06-20). "Voice-generating platform ElevenLabs raises $19M, launches detection tool". TechCrunch. Retrieved 2025-12-18.
  7. ↑ Domaradzki, Krzysztof. "W kilkanaście miesięcy zbudowali firmę wartą kilkaset milionów. Piotr Dąbkowski i Mateusz Staniszewski – o dwóch takich, co nauczyli AI mówić". Forbes.pl (in Polish). Retrieved 2025-12-18.
  8. ↑ "Time 100 AI: Mati Staniszewski". Time Magazine .
  9. ↑ Martin, Iain (2025-12-01). "How A Tiny Polish Startup Became The Multi-Billion-Dollar Voice Of AI". Forbes. Retrieved 2025-12-18.
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