Mr Mehdi HAMMADI is an advanced user of Microsoft Office applications and hold a MCSE in Data Management and Analytics. He currently work as trainer for CoGitar a company based in Algiers (Algeria). He became a Microsoft Certified Trainer in 2010 and he was a MCT Regional Lead from 2012 to 2019. In addition to his professional activities, Mehdi is very involved with the Microsoft community and is an active participant on the Microsoft Power Platform as he is the leader of one of the locals Power BI users groups. He is also the owner of the "Office Users" blog (http://officeuser.blogspot.com). And the "Power BI and Excel by Mehdi" blog (https://powerbiandexcelbymehdi.wordpress.com/)