Account Admins can see and manage users in an organization by visiting Settings>Account Settings>Admin Console>Members (linked here).

From here you can easily add a new team member with the "Add member" button:

And you can edit a team member's role, title, department, and their manager:

To remove a user from an organization, you can do this from the edit options (above) or by selecting "Remove member" from the three-dot menu:

For additional question, please reach out to [email protected] or use our chat option in the corner of the screen.