Former Data Insight Lead at Microsoft in the Netherlands. Founder of the Dutch Power BI User Group, organizer of the Power BI Summer School, data analytics consultant, trainer, and author of multiple books on Power BI, like 'Extreme DAX' published in January 2022. I have a Master's degree in mathematics and a 25+ year career in the IT industry, in both technical and managerial roles. I have been awarded the Microsoft MVP award in the data platform category since 2019.