The higher you get in an organisation the more time you spend in meetings.
While it’s clear that for some just being in the meeting is their job (!), if you’d like to get the rest of your job done more effectively, these tools on Productive Meetings are a great place to start, and may help you diagnose where the issues are.
Then try this practical article on effective meeting behaviours.
And if you want data, here’s when we are the most productive from Redbooth.