 Spielberg, Marshall, and Kennedy had previously considered Juan Antonio Bayona to direct "Jurassic World", but he declined because he felt there was not enough time for production.Trevorrow's only prior experience in directing a major film project was the low-budget "Safety Not Guaranteed".Despite Trevorrow's lack of experience on such a large film project, Crowley said "from the beginning he exhibited real characteristics of leadership and had that inherent decisiveness required.