Gentenaar, who last season worked in the United Arab Emirates as GK coach at Abu Dhabi based club Al Wahda FC under Maurice Steijn, Manolo Jimenez and Mark Wotte, previously coached at Ajax Amsterdam’s Youth Academy, AFC Amsterdam. He began his playing career as a goalkeeper with NEC Nijmegen, joined German giants Borussia Dortmund, returned to Holland and played for Ajax Amsterdam, VVV Venlo, Almere City FC, returned to NEC and retired at the end of the 2013/14 season.