1. Go to evenium.com
2. Click on My Events
3. Under the I organize section, click on the Administer button next the the name of the organizing entity. Here you can add, remove or edit current administrators and organizers.

You can also do this after you have logged on to your event from the Configuration page:

        1.  Go to the Configuration page

        2. Click on Team Access

        3. Click Add User

        4. Enter the users email and admin type you prefer

        5. Click Submit