The Landmark graduate community in the Netherlands has put together a very thorough directory of links to information about Landmark and the graduates around the world.
While the site is simple and much of it is in the Dutch language. The link and English translation for this directory is Landmark Forum Home. It it is quite comprehensive and anyone wanting to find out more about Landmark or the Landmark Forum will find it very useful.
Tens of thousands of people have participated in Landmark programs in the Netherlands over more than 20 years.