# Mati Staniszewski (slim)

> Mati Staniszewski is co-founder and CEO. ElevenLabs Agents API + MCP, ElevenLabs Music API, ElevenLabs Scribe Speech to Text API, ElevenLabs Text to Speech API + MCP and ElevenLabs Voice Cloning and Voice Design API on Anchor Terminal, with grades, an about and public profiles.

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Co-founder and CEO.

Mati Staniszewski is co-founder and CEO of ElevenLabs, which develops speech synthesis, voice cloning and other audio AI software.

- LinkedIn: https://www.linkedin.com/in/matiii/

## What Mati builds

- [ElevenLabs Agents API + MCP](https://www.anchorterminal.com/tools/elevenlabs-agents.md), graded BB, 71.4/100, in Conversational voice agents. ElevenAgents (formerly Conversational AI) runs hosted voice agents as a pipeline of a fine-tuned ElevenLabs ASR model, an LLM of your choice or your own, ElevenLabs TTS and a proprietary turn-taking model. Co-founder and CEO, researched 2026-10-26.
- [ElevenLabs Music API](https://www.anchorterminal.com/tools/elevenlabs-music.md), graded B, 66.9/100, in Music generation. Eleven Music text-to-music API (`music_v1`, `music_v2`, `music_v2_5`). Co-founder and CEO, researched 2026-10-27.
- [ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/tools/elevenlabs-scribe.md), graded B, 69/100, in Speech-to-text. ElevenLabs' speech-to-text service for audio transcription. Co-founder and CEO, researched 2026-10-26.
- [ElevenLabs Text to Speech API + MCP](https://www.anchorterminal.com/tools/elevenlabs-tts.md), graded BB, 75.3/100, in Text-to-speech. ElevenLabs text-to-speech over REST, HTTP streaming and WebSocket. Co-founder and CEO, researched 2026-10-26.
- [ElevenLabs Voice Cloning and Voice Design API](https://www.anchorterminal.com/tools/elevenlabs-voice-cloning.md), graded BB, 74.8/100, in Voice cloning & custom voices. ElevenLabs' voice cloning service creates voices from audio samples. Professional cloning uses verified recordings, while Voice Design generates voices from text prompts. Co-founder and CEO, researched 2026-10-26.

## Works with

- [Piotr Dąbkowski](https://www.anchorterminal.com/people/piotr-dabkowski/), Co-founder

## Backed by

- [Andreessen Horowitz](https://www.anchorterminal.com/investors/andreessen-horowitz/)
- [ICONIQ](https://www.anchorterminal.com/investors/iconiq/)
- [New Enterprise Associates](https://www.anchorterminal.com/investors/new-enterprise-associates/)
- [World Innovation Lab](https://www.anchorterminal.com/investors/world-innovation-lab/)
- [Valor](https://www.anchorterminal.com/investors/valor/)
- [Endeavor](https://www.anchorterminal.com/investors/endeavor/)
- [Lunate](https://www.anchorterminal.com/investors/lunate/)
- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)
- [Salesforce](https://www.anchorterminal.com/investors/salesforce/)
- [Smash Capital](https://www.anchorterminal.com/investors/smash-capital/)
- [SV Angel](https://www.anchorterminal.com/investors/sv-angel/)
- [NFDG](https://www.anchorterminal.com/investors/nfdg/)
- [BroadLight Capital](https://www.anchorterminal.com/investors/broadlight-capital/)
- [Deutsche Telekom](https://www.anchorterminal.com/investors/deutsche-telekom/)
- [LG](https://www.anchorterminal.com/investors/lg/)
- [HubSpot](https://www.anchorterminal.com/investors/hubspot/)
- [NTT DOCOMO](https://www.anchorterminal.com/investors/ntt-docomo/)
- [RingCentral](https://www.anchorterminal.com/investors/ringcentral/)
- [Lightspeed Venture Partners](https://www.anchorterminal.com/investors/lightspeed-venture-partners/)
- [Evantic Capital](https://www.anchorterminal.com/investors/evantic-capital/)
- [BOND](https://www.anchorterminal.com/investors/bond/)
- [Valor Capital](https://www.anchorterminal.com/investors/valor-capital/)
- [AMP Coalition](https://www.anchorterminal.com/investors/amp-coalition/)
- [BGK Group](https://www.anchorterminal.com/investors/bgk-group/)
- [Wellington Management](https://www.anchorterminal.com/investors/wellington-management/)
- [T. Rowe Price](https://www.anchorterminal.com/investors/t-rowe-price/)
- [BDT & MSD Partners](https://www.anchorterminal.com/investors/bdt-msd-partners/)
- [EQT](https://www.anchorterminal.com/investors/eqt/)
- [GIC](https://www.anchorterminal.com/investors/gic/)
- [Goldman Sachs](https://www.anchorterminal.com/investors/goldman-sachs/)
- [Ontario Teachers' Pension Plan](https://www.anchorterminal.com/investors/ontario-teachers-pension-plan/)
- [Sapphire Ventures](https://www.anchorterminal.com/investors/sapphire-ventures/)
- [Alkeon Capital](https://www.anchorterminal.com/investors/alkeon-capital/)
- [D. E. Shaw Ventures](https://www.anchorterminal.com/investors/d-e-shaw-ventures/)
- [Disruptive](https://www.anchorterminal.com/investors/disruptive/)

## Questions

### Who is Mati Staniszewski?

Mati Staniszewski is co-founder and CEO of ElevenLabs, which develops speech synthesis, voice cloning and other audio AI software.

### What does ElevenLabs make?

Anchor Terminal lists ElevenLabs Agents API + MCP, ElevenLabs Music API, ElevenLabs Scribe Speech to Text API, ElevenLabs Text to Speech API + MCP and ElevenLabs Voice Cloning and Voice Design API from ElevenLabs.

### Who has invested in ElevenLabs?

The sources our research read name Andreessen Horowitz, ICONIQ, New Enterprise Associates, World Innovation Lab, Valor, Endeavor, Lunate, Sequoia Capital, Salesforce, Smash Capital, SV Angel, NFDG, BroadLight Capital, Deutsche Telekom, LG, HubSpot, NTT DOCOMO, RingCentral, Lightspeed Venture Partners, Evantic Capital, BOND, Valor Capital, AMP Coalition, BGK Group, Wellington Management, T.

### How are Mati's tools graded?

ElevenLabs Agents API + MCP is graded BB, 71.4 out of 100; ElevenLabs Music API is graded B, 66.9 out of 100; ElevenLabs Scribe Speech to Text API is graded B, 69 out of 100; ElevenLabs Text to Speech API + MCP is graded BB, 75.3 out of 100; ElevenLabs Voice Cloning and Voice Design API is graded BB, 74.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.linkedin.com/in/matiii/
- https://elevenlabs.io/about
- https://www.linkedin.com/in/piotr-dabkowski-50222bba/
- https://elevenlabs.io/press
- https://elevenlabs.io/
- https://elevenlabs.io/docs/help-center/other/how-can-i-contact-support
- https://elevenlabs.io/music

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.