This feature depends on your rights. If no profile photo is added, then the initials (first letter of first name + first letter of last name) will be displayed.
- Click on the
Main menu. - Click on
My account >
My profile.
- Upload your image from the property
Profile picture.
- Click on
Register.

This photo will then be displayed in all the elements to which you have contributedtask, comment, team...).