There are dozens of details to handle and tasks to complete in the weeks and months before your event. During that time, winding up all the particulars is a non-stop process requiring good organizational skills. This is the most crucial time involving the timelines and checklists you created and have been following and revising. Get them back out, update them, create more checklists, and assign the ones you have to the appropriate people. Do whatever it takes to get the job done in the most efficient manner.
For example, when you have a good idea of the number of participants coming to your event, relay that ...