Organization administrators, or org admins, can view and manage all aspects of the account, including:
Org Settings - https://app.charma.com/settings/user_management
User Management - https://app.charma.com/settings/user_management
Billing - https://app.charma.com/settings/billing
The first user to create an organization is automatically assigned as the org admin. You can add or remove org admins in Settings > User Management: