Marco Russo is a trainer and consultant in Microsoft Business Intelligence. In the last few years, he has been working on the DAX language, writing articles and delivering training classes around the world.
Marco wrote several books about Power BI, Analysis Service, Power Pivot, and the DAX language. He also wrote several whitepapers such as "The many-to-many revolution" and "SQLBI Methodology".
He has been a speaker at previously editions of SQLBits, PASS Summit and Microsoft Ignite.