Hold each other accountable. Don't wait for the boss. It takes too long and generates politics.
Find your singularity of purpose. If you can't initially, raise it up a level.
What are you hoarding?
Time management should be more about what you will stop doing instead of doing what you currently do more efficiently.
Follow up, even if you don't observe the behaviors.
Did you do what you committed to doing in that meeting?
Step out of your comfort zone and into your learning zone, without overstepping.