Philanthropists today are trying to make large-scale change. Increasingly, the real focus of philanthropists is on proactively identifying and addressing the causes of problems rather than reacting to their effects. This approach seeks to include measurable outcomes, and to measure outcomes you need data. There is a surprising lack of general industry information on the philanthropic sector—data that most other sectors simply take for granted. This report looks at the value of data collection and analysis for philanthropic foundations and philanthropists, and it examines how that information could be used for more purposeful grant making.