HOW DO I VOLUNTER TO BE A CURATOR?
https://docs.google.com/spreadsheet/viewform?hl=en_GB&formkey=d... This is a link to a self-nomination form. You should first read the Wiki on Curators, if you don't already know what the role, responsibilities, and skills sought are.
FYI, this process has changed. See http://wiki.geni.com/index.php/Curators