Control your time. If you're working off your in-box, you're working off the priorities of others. Be sure the staff is working on what you move to them from the President, or the President will be reacting, not leading.
If you are working from your inbox, you are working on other people’s priorities.
Control your own time. Don't let it be done for you. If you are working off the in-box that is fed you, you are probably working on the priority of others.
It's not going to take years, and it's not going to take days. It'll take some months. And then we will go back to the president with our recommendations as to what we believe are the priorities and what needs to be done,