As part of our recent Modern Marketing Briefs workshop, we discussed the importance of having clear roles & responsibilities among teams (before the briefing). This can be a bit of a challenge as more marketing departments are using specialists, shifting work in-house, collaborating with IT, and adopting agile principles. Building (or updating) a RACI chart that reflects these changes can be a useful exercise.
Here is a Google Sheet you can download, customize, and use to get started.