As a subscription's Manager, you can add or change the Managers for this subscription. To proceed, navigate to Manage subscriptions and billing
Select Manage subscription:
From the Subscription Settings page select the Change managers menu:
You can add or remove managers from the icon next to a user name:
This person will now be able to:
list all workspaces on the subscription (access remains unchanged)
rename the subscription
search and remove people from the subscription - globally
name additional Managers (or remove this role for someone)
access and download invoices
update billing information
export the global list of people and workspaces they participate in
delete the subscription (requires to be emptied from any workspaces first)