The huge growth in data, especially transactional and online information raises many challenges, but it has also opened up exciting opportunities to really understand your customers and to use this insight to drive marketing activity. David Griffiths has worked for a number of years in the areas of statistical analysis and modelling within both the Government and the Commercial sector. In 1991 he set up TRAC as a means of offering his skills and expertise on an independent basis to help clients generate insight from data to meet business objectives.