He is assisted during matches by his countrymen Sander van Roekel and Erwin Zeinstra .
He has been a FIFA listed referee since 2006 and an UEFA Elite referee since 2009 .
referee is assisted during matches by referee 's countrymen Sander van Roekel and Erwin Zeinstra .
He has been a FIFA listed referee since 2006 and an UEFA Elite referee since 2009 .