Does your team have a CS Operations role? If so, you likely already know the value of one. If not, Nichole Elizabeth DeMeré (via Wootric) can walk you through what it is they do, and what they can bring to the team.
It doesn't matter what department you are in, meetings do take work and are actually a really important team building tool. Claire Hughes Johnson (via Khosla Ventures) teaches us how to leverage everyone's favorite (sarcasm) part of the workday.
With the shift in software from on-premise to cloud, Professional Services has had an interesting adaptation to the new world. Brooke Goodbary details how PS can help enable retention and what to avoid.