Please follow the below steps to grant Admin rights to users
- Navigate to your team account and click 'Settings' from here, under 'Members', click 'Manage
On the Manage users page, search for the user in question and click 'Members' and search for the user you'd like to grant admin rights. When the user has been found, under the 'Role' column, click 'Member' a pop up box will appear, from here, click 'Make Admin'
You'll then see a pop up box confirming you'd like to make the selected user an admin. After accepting this, the user will be granted Admin rights.