René Feiner ...

... is engineer & partner at MessageBird B.V.

MessageBird B.V.

... is founder & co-owner of VisualWeb B.V.

VisualWeb B.V.

... is founder & owner of RDF Holding B.V.

RDF Holding B.V.

... has a LinkedIn profile

LinkedIn: Rene Feiner

... is a Twitter user

Twitter: Rene Feiner