The Spaniard comes in to replace David Moyes, and will attempt the slightly daunting task of installing his own philosophies on a side moulded a specific way for the past 11 years. Something new signings will help him achieve much faster.
For Martinez, the Toffees' notoriously frail financial state means it's more a case of manipulating the market instead of recruiting major signings—unless he fancies offloading a key player or two.
However, with no immediate fixtures, these are the first key actions Evertonians will judge him on, so it's important he makes a good impression and handles the major issues the right way. If not, they could come back to haunt him.
Here's a look at some of the biggest questions facing Martinez during this summer transfer window.