1) The only column you need for a group import is "User Email"
2) Download the file as a CSV
3) Go to the Admin Site > Groups > Select the group in question ( In this case, Voices of Diversity). Click on "Members" and then click on "Bulk Import"
4) Click "Bulk Import"
5) Click "Upload CSV File"
6) Click "Start Import"
7) Click "Got it!"
8) Click "Members" again to refresh the page
9) You will see all of the members have been imported