Kelvin Tegelaar
Chief Technology Officer at MSPGeek, Inc.
Rotterdam, South Holland, Netherlands
Summary
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RockstarKelvin Tegelaar is a hands-on technology leader and entrepreneur serving as CTO of Lime Networks and founder of CyberDrain, where he builds tools and communities for MSPs. He combines strategic technical leadership with active engineering—contributing both front-end and back-end code to CIPP, an open-source M365 multitenant management platform widely used in the MSP space. An experienced community builder and speaker, Kelvin helps run some of the largest MSP communities worldwide and serves as a board member at MSPGeek. His Microsoft MVP recognition reflects four years of sustained community and technical impact. Based in Rotterdam, he pairs pragmatic product thinking with a knack for turning operational puzzles into scalable software and educational initiatives.
7 years of coding experience
Github Skills (6)
front-end-development9
back-end-development9
javascript9
api8
apidoc8
html7
Programming languages (9)
Github contributions (5)
KelvinTegelaar/CIPP
Oct 2021 - Jan 2023
CIPP is a M365 multitenant management solution
Role in this project:
Back-end & Front-end Developer
Back-end & Front-end DeveloperContributions:67 releases, 9 reviews, 1408 commits in 1 year 3 months
Contributions summary:Kelvin contributed to the development of the M365 multitenant management solution, making changes to both front-end (js/datatables/datatablesallapps.js) and back-end components. The user focused on feature implementation and bug fixes. The user added features, such as the page filter.
m365solution-managementmultitenantbarrage
KelvinTegelaar/AutomaticDocumentation
May 2020 - Aug 2022
Contributions:31 commits, 7 PRs, 17 pushes in 2 years 3 months
documentation-generatordedicatedautomatic-documentation
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