Dunnhumby: They are a leaders in customer science  – analysing data from millions of customers to forecast customer behaviour, in terms of what they want, where and how much they will pay for it. Their graduate programme allows you to be rotated into two materially different assignments within their first two to three years to gain a broad base of knowledge across business areas. Typically, as a graduate you would start out in roles such as Data Analyst, Data and Product Development, Client Executive or Account Executive.