 Since 2005, De Visser also scouts for Chelsea and is considered a close personal adviser on transfers to club owner Roman Abramovich.In one of his first scouting assignments for Chelsea, De Visser was responsible for the transfer of Arjen Robben from PSV to Chelsea.Guus Hiddink, who played under De Visser at De Graafschap and who worked with him at PSV, was recommended to Abramovich for the position of manager of the Russia national team.