I like this McKinsey model. You can learn more about it here.
The most common challenge I see in workplaces is change is positive and then falls over because of a management failure to keep up i.e. processes, policies, procedures, practices or systems haven't been updated to reflect the change.
"A bad system will beat a good person every time." said W. Edwards Deming.
Who will you become?
What will you do next?