Hosts can change their display name before a session via the My Account page. Participants and hosts can also easily change their display name during a live session.
Hosts: changing your display name from the My Account page before a session
To access the My Account page, click your profile in the top right hand corner of the screen, and click "My Account". Then, simply type in the display name you'd like to use and click "Update name":
Your display name has now been updated and will be effective in any sessions you subsequently host or attend.
Participants and Hosts: changing your display name during a live session
Participants and hosts can easily change their display name during a live session. To do so, first click the "Menu" gear wheel in the bottom right hand corner of the screen, and select "Change Name." Then, type in the new display name you would like to use, and click "Save Changes." Your display name will be instantly updated: