The Samvera community encourages "self-organized" meetings by its members. The link immediately below gives some guidance as to how such meetings might be set up and run
Organizing Regional Meetings
Regional Map of Meetings - plot your event
here
!
Regional groups
NE Regional Group (North East and/or New England)
European Samvera meetings and web events
Hydra Europe Spring Events 2015
Samvera European collaboration
West Coast Regional Group