Exit nr. 9 Laren/Hilversum-Noord/Mediapark.
Turn to the left, direction Hilversum.
This is a long street (ca. 1 ½ km) which ends in a roundabout. Turn to the right (first exit), direction Mediapark.
At the trafficlights turn to the left, 1st street right. This is Dr. Cuypersplein, will be later H. de Keyserlaan.
From A27: The best thing to do is to take the exit to the A1, direction Amsterdam and then follow above decribed route.