I believe in transparency
- BS Web Services GmbH, founder (1996), CEO
- Henning Brauer Consulting
- OpenBSD, developer since 2002
- net-activities GmbH, CEO since 2014
- Stichting EuroBSDcon (EuroBSDcon Foundation), board of directors
- AsiaBSDcon, program committee, since 2016
- Standpunkt.Schanze e. V., chairman
- Hamburg Chamber of Commerce, elected member of the plenary, member of the ecology and digital business comissions
- CCC e. V.
- Deutscher Alpenverein e. V.
- Pro Asyl e. V.
- Greenpeace e. V.
- Verein für Demokratie und Transparenz in Kammern e.V.
- SRG Sternschanze n. e. V., co-founder
possibly incomplete due to incompetence, not malice