Default Email – MailChimp Plugin

I just connected MailChimp plugin and I’ve tried changing the default email address multiple times. It keeps defaulting to my primary WordPress account. I am a web designer and I have my main account with sub accounts underneath it. I know other designers aren’t creating separate accounts for each of their clients.

I’ve had this issue with other things also, but this is the first time I haven’t been able to fix it. Any help would be appreciated.

The default email is under “List Defaults” within the MailChimp Plugin.

The page I need help with: [log in to see the link]