Andy Cotgreave is co-author of The Big Book of Dashboards, and Technical Evangelist at Tableau. He is the host of If Data Could Talk, co-host of Chart Chat and columnist for Information Age. He has over 15 years’ experience in data visualisation and business intelligence, first honing his skills as an analyst at the University of Oxford. Andy helps customers, media and analysts across all industries see and understand their data. He has inspired thousands of people with technical advice and ideas on how to identify trends in visual analytics and develop their own data-discovery skills.