If you wish to change the primary admin of the account, please get in-touch with your support team by raising a ticket with us (Type "Dialm as a message to the app) or reach out to us through our live chat support. 

If you want to add secondary admins to the account, just head to the settings dashboard by typing "Settings" as a direct message to the app and click on the URL prompted. 

Once you open the dashboard, please scroll on the basic settings page --> other settings --> Administrator 

You can search for the person and select the name from the dropdown menu.