Make sure you are logged in to Mailchimp. Click in the upper right corner on your profile-name. Now there appears a new window, click here on"Profile"
A new screen will appear where you can click on "Settings" at the top of the screen. Then click on "Users".
Here you can see all the users that are connected to your Mailchimp. Click on "Invite A User" in the upper right corner.
Enter the e-mail address of the new user, select what type of user he/she is and add a message to the invitation if necessary.
Then click on "Send Invite" to invite the new user. He/she will receive an e-mail with the invitation and access to Mailchimp.
If it doesn't work out this way, don't hesitate to contact us.
This can be done by mailing to firstname.lastname@example.org or by phone at 09/395.02.92.