Of these four timelines, #3 is the most important. It is here that you define the bullseye: success. None of the others have meaning unless you know what success is. 18-24 months is the ideal range for achieving significant accomplishments. Define #3 first. Then the others.
How will you ensure it sustains?
“Ultimately, leadership is not about glorious crowning acts. It’s about keeping your team focused on a goal and motivated to do their best to achieve it, especially when the stakes are high and the consequences really matter.”
– Chris Hadfield