Jan-oliver Wagner
Executive Advisor Seeking Next CEO C-Suite Opportunity at Independent
Osnabrück, Lower Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolJan-Oliver Wagner is a seasoned technology entrepreneur and executive advisor with over 30 years in applied systems sciences, IT and cybersecurity, including 17+ years as CEO and co-founder of Greenbone where he built industry-leading vulnerability management solutions. He blends deep hands-on backend engineering—evident from long-term open-source contributions to core Greenbone projects like openvas-scanner and gvmd—with strategic leadership in product, go-to-market and organizational scaling. Trained as a systems scientist, he emphasizes transparency, openness and trust as engineering principles that drive both scientific progress and robust software products. Now advising growth-stage companies and seeking a next CEO/C-suite role, he brings rare continuity from PhD research to operational leadership and pragmatic code-level refactoring. Notably, his tenure reflects sustained stewardship of open-source security tooling that underpins real-world vulnerability management deployments.
19 years of coding experience
29 years of employment as a software developer
Master's degree, Applied Systems Sciences, Master's degree, Applied Systems Sciences at Universität Osnabrück
Github Skills (11)
c1710
develop10
refactoring10
c1110
back-end-development10
refactor10
gmp9
security8
testing8
networking8
xml5
Programming languages (4)
Github contributions (5)
greenbone/openvas-scanner
May 2007 - May 2020
This repository contains the scanner component for Greenbone Community Edition.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:675 commits, 48 PRs, 11 pushes in 13 years 2 months
Contributions summary:Jan-oliver's commits primarily focus on refactoring and improving the core functionality of the openvas-scanner. This includes removing legacy code, such as code related to network scanning, and updating core parameters to reflect the current state of the project, such as a move from the openvas-scanner's own directory to a separate one. The user also made changes to the testing phase. The user also refactored the project by making functions static and removing unused code.
scanneropenvascommunity-editionvulnerability-managementgreenbone
greenbone/gvmd
Nov 2008 - Oct 2020
Greenbone Vulnerability Manager - The database backend for the Greenbone Community Edition
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 reviews, 707 commits, 92 PRs in 12 years 1 month
Contributions summary:Jan-oliver primarily contributed to the core backend functionality of the Greenbone Vulnerability Manager (GVMD) project. They refactored code related to the OpenVAS Manager (OMP), converting macros into methods to improve efficiency and error handling. Their work involved significant changes in the `openvasmd.c` and `ovas-mngr-comm.c` files. Additionally, the user implemented changes for integrating with a new API for SSL initialization.
backend-databaseopenvasgreenbone-vulnerability-managercommunity-editionvulnerability-management
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