Madzy Stikkelorum

Michiel Rozema is a data analytics professional with 30 years of experience in technical and managerial roles. He holds a master's degree in mathematics and worked as a data insight lead at Microsoft in the Netherlands for 8 years. During this time, he was involved with the introduction of Power Pivot and later Power BI. He is a DAX expert and has authored multiple books on Power BI, among which is Extreme DAX. At his company Quanto, Michiel focuses on helping customers solve complex business problems with Power BI and Fabric. He founded the Dutch Power BI user group, is a regular speaker at technical conferences across the globe, and organizes events like the Power BI Summer School. Michiel has been awarded the Microsoft MVP award in the data platform category since 2019.

Madzy Stikkelorum is a Data Analytics Consultant at Quanto, organizer of the Power BI Summer School in the Netherlands and former Board Secretary of the Dutch Power BI User Group. With a master's degree in Mathematics, analyzing data has always been one of her passions, but in the last few years this has extended to organizing events and sharing her knowledge with the community. She does this in blog posts and as a public speaker at conferences. At Quanto, she helps customers to gather insights from data, using Power BI and Fabric.