Thomas Steenbergen
Founder & Principal Consultant at OSSYN
Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolThomas Steenbergen is a seasoned engineering leader and founder with 14 years of experience building and scaling enterprise open source programs, most recently launching OSSYN to help organizations manage open source risk and value. He has led OSPOs at major firms like EPAM and HERE, driving policy, governance, SBOM creation, automated compliance, and cross-organizational best practices that supported hundreds of repositories and M&A due diligence. A hands-on engineer by background, Thomas contributes to core projects such as ORT, SPDX and OpenChain, and has improved the UX of the popular oss-review-toolkit static reporter through careful frontend work. He is a frequent speaker and community organizer who blends consultancy, tooling and policy to make open source predictable and business-friendly. Colleagues know him for translating complex compliance challenges into automated, auditable workflows and for advising leadership on using open source as a strategic asset. Based in Utrecht, he is open to speaking, board roles and collaboration on SBOM and license automation initiatives.
14 years of coding experience
15 years of employment as a software developer
MSc Computer Science, MSc Computer Science at Leiden University
German, English, Dutch
Github Skills (7)
css10
responsive-design10
front-end-development10
webapp9
web-application9
web-development9
html9
Programming languages (20)
Github contributions (5)
oss-review-toolkit/ort
Jan 2018 - Jan 2023
A suite of tools to automate software compliance checks.
Role in this project:
Frontend Developer
Frontend DeveloperContributions:505 reviews, 314 commits, 305 PRs in 5 years
Contributions summary:Thomas focused on improving the style of the static HTML reporter. They primarily modified the CSS to enhance the visual appearance and layout of the report, adding and modifying styles for elements like the body, report container, and various table components. Additionally, they addressed various CSS issues, including font rendering and responsive design for different screen sizes. They also made changes to remove unused and fix incorrect HTML meta tags and CSS.
dependenciespackage-scandependency-graphprovenancespdx
oss-review-toolkit/ort-ci-gitlab
Nov 2021 - Nov 2022
Contributions:28 reviews, 44 commits, 30 PRs in 11 months
ortbitbucketgitlabpipelinesgitlab-pipelines
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