To update a team member's role:
1. Go to Settings → Team
2. Open the menu on the right hand side of a team member (select the ... menu)
3. From there you'll have the option to:
Update the member to an admin
Remove admin privileges if they are already an admin
Update a member to a viewer (they won't be able to use Circleback in their own meetings, but can still view meetings shared with them)
Transfer billing ownership to someone on the team
Deactivate a team member