In this nearly hour long talk by Jeremy Shaprio as talks about measuring and using metrics in the space of recruitment. This was given way back in 2008 when he was with Bernard Hodes Group and he talks a lot about choosing the right metrics and how to communicate them to make them relevant to the right people.
It is split into 5 parts. you can view it on youtube as a playlist in case you are not able to view it here.
He talks about designing metrics, reading them in a context, how to communicate the numbers, how to derive actionables from the analysis, how to avoid pitfalls when working with numbers, and how to establish a sense of credibility by using data.