For contact and/or appointments: 
Maria Langeler-Hollebeek (e-mail)
Secretary to prof. dr. Jouke de Vries
Telephone +31 70 800 9554

P.O. Box 13228
2501 EE The Hague
The Netherlands 

Visit addresses:
Lange Houtstraat 7
2511 CV The Hague
The Netherlands
+31 70 800 9500

Lange Voorhout 44
2514 EG DEN HAAG
T: 070 - 800 9521

Kantoren Stichthage
Koningin Julianaplein 10
2595 AA Den Haag
+31 70 800 9502