Carl AllchinCarl Allchin is a multiple time Tableau Ambassador and is 'the Other' Head Coach at one of the world's leading data analytics training programmes at The Data School in London. After over a decade in Financial Services as a Business Intelligence Analyt and Manager, he supported hundreds of companies through consulting, blogging and teaching on market leading data solutions. Carl is the co-founder of Preppin' Data, the only weekly Data Preparation challenge on Tableau and other data tools. Read More Read Less