Alan is an Excel & Power BI trainer, founder of computergaga.com, author of multiple Excel books including the best-selling ‘Advanced Excel Formulas’ and a Microsoft MVP. He has been helping people in Microsoft products for more than 20 years. He loves training and making peoples working lives easier. Alan runs his own blog and YouTube channel - Computergaga. The channel has over 650 videos has received more than 50 million views.