Kevin Smith is currently Chair of the XMPP Council, having served as a Council member since 2006, and is also the co-author of several XMPP extensions. He has been the project leader on Psi, a popular open-source client for Jabber/XMPP communications since 2004, and has contributed to various other XMPP projects, covering code libraries, automated bots and assorted XMPP utilities.