For Constellation 11 you can submit using this form.
Please email: programinggroup@constellationne.net
With answers to the questions below:
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Name
Phone
Organization (if there is one associated with the panel)
Panel/Program Title
Description of Panel
Number of Presenters
Duration of Panel/Program (in hours)
Equipment Needed
Room Size
By running a panel at Constellation, you give Constellation permission to record your presentation and publish it in whole or in part.