Dr. Simon Harrer in

Dr. Simon Harrer

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Co-Founder and CEO at Entropy Data
📍 Gerolzhofen, Bavaria, Germany

Dr. Simon Harrer is the Co-Founder and CEO of Entropy Data, a bootstrapped company spun off from INNOQ. With a Ph. D. in Computer Science, he is a passionate software developer, author of "Java by Comparison, " and a key figure in the Data Mesh community, having translated the foundational book into German.

Referred to by peers as a "brilliant software engineer" and a "clean code evangelist, " Simon is a father who is deeply interested in teaching and mentoring. He has served as an external lecturer, received a Good Teaching Award, and focuses on creating valuable learning experiences for junior developers through his writing and professional work.

He created and maintains several popular open-source tools, including Data Contract CLI and mob. sh for remote pair programming.

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Experience
4 Years
Current Role
Co-Founder and CEO
Job Level
Leadership
Location
Gerolzhofen, Bavaria, Germany
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Dr. cares about

Data Mesh
He co-founded Entropy Data to build a Data Mesh Manager, translated the "Data Mesh" book to German, and frequently speaks on the topic at conferences.
Data Contracts
He is a creator and advocate for open standards, developing the popular open-source tool Data Contract CLI and championing the Open Data Contract Standard (ODCS).
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Career

Work history

8-2025
Co-Founder and CEO
Entropy Data
4-2018 - 7-2025
Senior Consultant
INNOQ
1-2016 - 8-2023
Software Engineer
Self-Employed
5-2017 - 7-2020
CEO and Founder
Simon Harrer GmbH
4-2019 - 9-2019
External Lecturer
Otto-Friedrich-Universität Bamberg
In the press

Media appearances

Data Contracts - INNOQ Podcast (featuring Dr. Simon Harrer, Co‑Founder & CEO of Entropy Data). Featured in Spotify
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From Consultant to Founder: We are founding Entropy Data. Featured in INNOQ
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Education
2011 - 2017
Dr. in Computer Science
Otto-Friedrich-Universität Bamberg
2005 - 2010
Diplom Information Systems
Otto-Friedrich-Universität Bamberg
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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