Everton said in a statement published by the official location on Tuesday: "We are delighted to confirm the appointment of Koeman as coach contract runs for three years until June 2019".
And it achieved a Dutchman, 53, remarkable results with Southampton despite the departure of most of the star players, finishing in sixth place this season, at which time he brought Everton in atheist tenth place.
The trail Barcelona star former Spanish many big European clubs like Ajax and Benfica and Valencia, among others.