# Philipp Reißel

> Philipp Reißel is the Aachen-based co-founder and CEO of amber, an enterprise AI company focused on making organisational knowledge accessible and usable. His public work spans automotive AI research, a Porsche patent, German-language NLP resources and enterprise search. amber announced a €7 million Series A in August 2026.

- **Role:** Co-founder and CEO at amber
- **Organizations:** amber, RWTH Aachen University, Porsche, German NLP Group
- **Education:** B.Sc. Engineering, RWTH Aachen University
- **Known for:** Co-founder and CEO of amber., Co-inventor with Jan Gutbrod and Nadine Drollinger on granted German patent DE102020111540B3, assigned to Porsche., Created the GC4 German text corpus with support from Philip May.

## Career timeline

- **2018** — AI research career dates to 2018 according to his KI.Forum.NRW speaker biography; included work at Porsche.
- **2020** — Named co-inventor on Porsche patent application DE102020111540, filed 28 April; co-created a German ELECTRA model with Philip May, released in August.
- **2021** — Publicly profiled as strategic product developer and co-founder of ambeRoad; Porsche patent granted and published on 21 October.
- **2023** — Visited Google in Mountain View; participated in Campus Founders AI Founders programme in Heilbronn.
- **2025** — amberSearch announced €2.1 million seed funding led by Ventech on 25 March.
- **2026** — amber announced a €7 million Series A co-led by Ventech and NRW.Venture on 17 August.

## Achievements

- Co-founder and CEO of amber.
- Co-inventor with Jan Gutbrod and Nadine Drollinger on granted German patent DE102020111540B3, assigned to Porsche.
- Created the GC4 German text corpus with support from Philip May.
- Co-created the German ELECTRA Uncased language model with Philip May.
- Trained and evaluated a multilingual passage-reranking model with Igli Manaj.

## Latest updates

- **2026-08** — amber announced a €7 million Series A, with planned Benelux expansion, hiring and continued investment in the AI Data Layer.
- **2025-03** — amberSearch announced €2.1 million in seed funding and reported more than 200 business customers across Germany, Austria and Switzerland.

## Links

- Website: https://reissel.eu
- LinkedIn: https://www.linkedin.com/in/philipp-reissel/
- Twitter/X: https://twitter.com/phil_ipp_
- GitHub: https://github.com/Phil1108

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Profile page: https://yespress.io/philipp-reissel
Published by YesPress — https://yespress.io
Last updated: 2026-10-16