Donald made his professional Ajax debut under manager Henk ten Cate on 14 February 2007, in the UEFA Cup clash against SV Werder Bremen. In August 2007 he participated in the 1–0 win over PSV Eindhoven to clinch the Johan Cruijff-schaal, his first trophy.
Ajax's new player Donald made his professional debut under manager Henk ten Cate on February 14, 2007, in a UEFA Cup game against SV Werder Bremen. Later that year, he helped Ajax win the Johan Cruijff-schaal by defeating PSV Eindhoven 1–0.