Alberto Ferrari and Marco Russo are renowned experts in the fi eld of business intelligence and data analysis, specializing in the DAX language and Microsoft Power BI. As the founders of sqlbi.com, they have established a leading platform for DAX tutorials and articles, sharing their extensive knowledge with a global audience. With a deep understanding of DAX since its early days in Power Pivot, Marco and Alberto have become influential figures in the BI community, regularly speaking at prestigious international conferences such as Microsoft Fabric Conference, PASS Summit, and SQLBits.