As a player, he was midfielder who notably had a spell in the Premier League for Sheffield Wednesday, as well as playing in the Eredivisie for FC Twente, Feyenoord and Vitesse.
The midfielder played 14 matches in his first season and was transferred to fellow Eerste Divisie team SVV Schiedam that merged with Dordrecht '90 a year later.
Trustfull felt he was ready to move on to a foreign country and switched to Sheffield Wednesday in the Premier League, where he played 19 matches and scored three goals in his first season.
He once again joined Frank de Boer on 14 January 2019 when Trustfull was announced as assistant manager of defending champions Atlanta United in Major League Soccer.
Their son Malik Trustfull is a football player as well, currently playing in the ranks of the Ajax Youth Academy.