Bernard Marr is a bestselling author, keynote speaker, strategic performance consultant and analytics, KPI & Big Data guru. He has worked with and advised many of the world's best-known organizations including Accenture, Astra Zeneca, Bank of England, Barclays, BP, DHL, Fujitsu, Gartner, HSBC, Mars, the Ministry of Defence, Microsoft, Oracle, the Home Office, the NHS, Orange, Tetley, T-Mobile, Toyota, Royal Air Force, SAP and Shell, among many others on their business and data strategies. He writes on the topic of data and analytics for various publications including Forbes, HuffPost and LinkedIn Pulse.