Harouna Bonkano Harouna is Excpert Office Apps and Services (Excel) (Power BI) I have accumulated several years of experience in the business environment and specialized in business intelligence with Excel and Power BI. Mr Harouna Harouna Bonkano is also an expert trainer on the office pack, in particular on microsoft excel and power BI. After having offered his services as a consultant for a long time, he now devotes himself to training, in all its forms (face-to-face training, online training, in-company training, webinars, animation of user groups, writing blog articles, animation of online forums and more). You can also find it on Youtube by simply typing NigerExcel, where it presents many videos especially on Excel-VBA & POWER BI