# Helmut Rieger

> Helmut Rieger is a startup investor at DocCheck Guano AG (Köln). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [DocCheck Guano AG](https://shizune.co/investors/profile/doccheck-guano-ag)
- Location: Köln, Germany
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/helmut-rieger-192722122/

Helmut Rieger is a startup investor at DocCheck Guano AG in Köln. Helmut Rieger is the CEO and Executive Director of DocCheck Shop GmbH. He attended The Julius Maximilians University of Würzburg.

## About DocCheck Guano AG

VC Fund · Cologne, Germany

Birds of a feather flock together? Not our style! We promote healthcare startups who believe in their vision and want to be a success at it. DocCheck Guano is a hatchery for precocial birds aiming to land in the market. We provide the ideal fertiliser for startups: capital, know-how, market access and network. Oh, and our focus is on seed funding.

4 contacts available at DocCheck Guano AG.

| Name | Title | Profile |
| --- | --- | --- |
| Frank Antwerpes | CEO | https://shizune.co/investors/profile/frank-antwerpes |
| Helmut Rieger | Managing Director | https://shizune.co/investors/profile/helmut-rieger |
| Tanja Mumme | Head of Corporate Communications | https://shizune.co/investors/profile/tanja-mumme |
| Thilo Kölzer | Member of the Supervisory Board | https://shizune.co/investors/profile/thilo-k%C3%B6lzer |

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