Ralph Meijer has been involved with the Jabber/XMPP community since late 2000 and has worked on prototyping new ideas in presenting and communicating information using Jabber.
Most of these experiments revolve around publish-subscribe technologies for transporting information like extended presence and news, and have resulted in several XMPP protocol design contributions and services.
He is a member of the XMPP Council that oversees the standards development process at the XMPP Standards Foundation.
He worked as a developer for Jaiku before it got acquired by Google and is now a developer at Mediamatic.