Benjamin is the President of the FFII.org, which has been fighting agisnt software patents since 1999. He has launched several popular campaigns on the internet, such as the August 2003 and June 2005 webdemonstrations against software patents, the PublicGeoData campaign for public maps, or the campaign against Microsoft's Office standardisation at ISO (OOXML). His interests lies in computer science, politics, and mountain biking.