Complex sentence: After his career as a manager, De Visser became scout at PSV, where he was responsible for scouting players like Romário, Ronaldo, Alex, Jefferson Farfán, Heurelho Gomes and Balázs Dzsudzsák for the club.
Split into simpler sentences: After his career as a manager, De Visser became scout at PSV. While at PSV he was responsible for scouting players like Romário, Ronaldo, Alex, Farfán, Gomes, and Dzsudzsák for the club.