Until a few years ago, the leaders of many organizations whose business generates large amounts of operational data doubted the value of the Big Data approach. Today, those who continue to doubt are missing the ever-increasing opportunities of this approach, increasing the risk of losing market share and becoming lagging and obsolete. But where to start if you want to take your organization to a new scientific and technological level, to making decisions using Big Data? The answer to this is Bill Franks, director of analytics at Teradata and lecturer at the International Institute of Analytics, who has more than 20 years of experience in large analytical projects in real business.