Wikipedia
SMJG
SMJG is a charitable organization originating in Germany which provides education in the field of BDSM and sexuality for young adults and teenagers. The association is active in all parts of Europe where German is spoken.
The association was formed by young adults in late 2000. At first they offered information and a communication platform on their online presence. Since 2002, several real-life meet ups are hosted by the group. With several iterating meet ups in a large number of cities, the SMJG is one of the biggest trans-regional charitable organization concerning BDSM in German-speaking European countries.