# Matthias Niessner (slim)

> Matthias Niessner is co-founder and CEO. SpAItial API (Echo) on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/matthias-niessner/index.md (~1,250 tokens) · this version ~930 tokens · JSON https://www.anchorterminal.com/people/matthias-niessner/index.json · canonical https://www.anchorterminal.com/people/matthias-niessner/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder and CEO.

Matthias Niessner co-founded SpAItial and leads it as CEO.

- X: https://x.com/MattNiessner

## What Matthias builds

- [SpAItial API (Echo)](https://www.anchorterminal.com/tools/spaitial.md), graded C, 56.7/100, in 3D worlds. SpAItial's developer API and hosted MCP server for its Echo world models, which turn a text prompt, image or 360-degree panorama into an explorable 3D Gaussian-splat world with mesh and floor-plan exports. Echo-3 capture reconstruction is enterprise-only. Co-founder and CEO, researched 2026-10-28.

## Works with

- [David Novotny](https://www.anchorterminal.com/people/david-novotny/), Co-founder
- [Luke Rogers](https://www.anchorterminal.com/people/luke-rogers/), Co-founder
- [Ricardo Martin-Brualla](https://www.anchorterminal.com/people/ricardo-martin-brualla/), Co-founder

## Backed by

- [Earlybird](https://www.anchorterminal.com/investors/earlybird/)
- [Speedinvest](https://www.anchorterminal.com/investors/speedinvest/)
- [Robin Rombach](https://www.anchorterminal.com/investors/robin-rombach/)
- [Victor Riparbelli](https://www.anchorterminal.com/investors/victor-riparbelli/)
- [Steffen Tjerrild](https://www.anchorterminal.com/investors/steffen-tjerrild/)
- [Christian Stiebner](https://www.anchorterminal.com/investors/christian-stiebner/)
- [Edward Grefenstette](https://www.anchorterminal.com/investors/edward-grefenstette/)
- [Maximilian Odendahl](https://www.anchorterminal.com/investors/maximilian-odendahl/)
- [Jon Barron](https://www.anchorterminal.com/investors/jon-barron/)
- [Rahul Garg](https://www.anchorterminal.com/investors/rahul-garg/)
- [Sergej Epp](https://www.anchorterminal.com/investors/sergej-epp/)
- [Elias Schneider](https://www.anchorterminal.com/investors/elias-schneider/)
- [Paul Whitehead](https://www.anchorterminal.com/investors/paul-whitehead/)

## Questions

### Who is Matthias Niessner?

Matthias Niessner co-founded SpAItial and leads it as CEO.

### What does SpAItial Ltd make?

Anchor Terminal lists SpAItial API (Echo) from SpAItial Ltd.

### Who has invested in SpAItial Ltd?

The sources our research read name Earlybird, Speedinvest, Robin Rombach, Victor Riparbelli, Steffen Tjerrild, Christian Stiebner, Edward Grefenstette, Maximilian Odendahl, Jon Barron, Rahul Garg, Sergej Epp, Elias Schneider and Paul Whitehead.

### How are Matthias's tools graded?

SpAItial API (Echo) is graded C, 56.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://spaitial.ai/blog/announcing-spaitial
- https://tech.eu/2025/05/27/spaitial-emerges-from-stealth-with-13m-seed-for-ai-native-3d-applications/
- https://tech.eu/2026/04/16/we-are-where-chatgpt-was-five-years-ago-says-european-3d-ai-foundation-model-startup-boss/
- https://www.niessnerlab.org/
- https://find-and-update.company-information.service.gov.uk/company/15994344/officers
- https://find-and-update.company-information.service.gov.uk/company/15994344
- https://spaitial.ai/about
- https://spaitial.ai/blog/echo-3-release
- https://spaitial.ai/support
- https://spaitial.ai/security
- https://spaitial.ai/terms
- https://docs.spaitial.ai/llms-full.txt

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.