How to add yourself to another Team

From Wiki

You can add yourself to another Team as follows:

• You need to have the Registrar user role
• Find the Team to which you wish to belong. The Team Page will be displayed.
• Select the Team Members tab. Existing team members will be shown. At the bottom of the tab is a dropdown box of users:

• Choose your username and press the Add as Team Member button. The list of Team Members will now include you.