Minimize your own cognitive load from distracting things that don’t really matter. It’s hard to overstate how important this is, and how bad most people are at it. Get rid of distractions in your life. Develop very strong ways to avoid letting crap you don’t like doing pile up and take your mental cycles, especially in your work life.
Imagine if every project member focused only on what matters, loved it, had clarity on what they were doing, and had an incentive to be wildly productive each week, not to be present on unnecessary meetings, cc’d on unnecessary emails, being interrupted by unnecessary ‘pings’ and able to focus, work deliberately and execute.