There are two presentations to be happily shared with the Serious Play Pro community. First in English, the second in German language.
What is LEGO® SERIOUS PLAY®?
Warum LEGO® SERIOUS PLAY®?
The Slideshares also include reference to the Lego Serious Play workshop at Lift Conference. Full YouTube clip below
LEGO® Serious Play® - #LSP Workshop Day 2 #lift14