Koen Rijnsent
Owner CTO at Valid Value B.V.
Randstad, Netherlands
Summary
👤
Senior🎓
Top SchoolKoen Rijnsent is an entrepreneurial Owner/CTO with nine years of focused experience building Valid Value’s professional valuation tools that make DCF valuations faster, cleaner and less error-prone. He combines deep spreadsheet and VBA craftsmanship with modern web skills (JS, HTML) to deliver polished front-ends and robust back-ends, and partners closely with valuation experts to embed domain knowledge into practical, auditable models. Earlier work spans simulation design, energy market analysis and process automation, giving him a knack for turning complex business problems into rapid prototypes and production-ready solutions. Based in the Randstad, he enjoys tinkering with maps, numbers and user-facing tooling, and often leverages lightweight tech stacks to maximize productivity for financial professionals.
9 years of coding experience
1 year of employment as a software developer
Drs. Economic Geography, Drs. Economic Geography at Utrecht University
English, Dutch, German, French, Spanish, Italian, Danish, Polish
Stackoverflow
260reputation
25kreached
25answers
7questions
Github Skills (89)
windows10
custom-ui10
fdroid10
chromium10
linux10
browser10
firefox10
brave10
android10
macos10
libgdx10
android-open-source10
ribbonx10
brave-browser10
google-sheets9
Programming languages (8)
Github contributions (5)
krijnsent/krijnsent.github.io
Aug 2020 - Jul 2024
Contributions:1 release, 39 pushes, 1 branch in 3 years 11 months
krijnsent/crypto_vba
May 2017 - Jan 2023
Contributions:1 release, 77 commits, 73 pushes in 5 years 8 months
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