Arnaud Gastelblum
Senior Microsoft Data Platform Consultant
Brussels Metropolitan Area Belgium
Summary
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SeniorArnaud Gastelblum is a Senior Microsoft Data Platform Consultant with 17 years of hands-on experience specializing in Microsoft Fabric, Power BI, SQL Server and Azure, and a strong command of SQL and DAX. He builds resilient, future-proof data models and architectures—favoring Data Vault and Kimball techniques—to turn fragmented sources into reliable business insights. As a consultant and freelancer he has led cross-functional projects for clients like D’Ieteren and FSMA, delivering everything from HR analytics in Fabric Lakehouses to dealer performance and fraud-risk monitoring solutions. He pairs deep technical delivery with team coaching and empowers self-service BI by training users on modeling and DAX best practices. Active in the Power BI community, he shares knowledge through meetups, blogs and videos, and prefers to start projects with scalable foundations that prevent problems before they arise. Based in Brussels, he combines consultancy breadth with practical engineering discipline, often automating repeatable warehouse patterns for faster, more maintainable outcomes.
8 years of coding experience
5 years of employment as a software developer
French, English, Dutch
Stackoverflow
312reputation
23kreached
22answers
4questions
Github Skills (10)
sql-server6
ssis6
sql6
excel6
ssas6
ssas-tabular6
tabular6
star-schema6
data-warehouse6
cube6
Github contributions (5)
arnaudgastelblum/LazyDAX
Mar 2020 - Jun 2022
Contributions:1 release, 24 commits, 24 pushes in 2 years 3 months
arnaudgastelblum/Misc
Oct 2020 - Feb 2025
Contributions:1 release, 5 pushes, 1 branch in 4 years 5 months
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