This article applies to organization profile images / avatars, for user profile images / avatars, please see this article.
Organization profile images are currently used in email notifications. See below.
To edit your organization profile image / avatar, click settings on the top right hand side (to the left of the log off icon). From there you can upload / crop an image and save it as your organization profile pic.
Only administrators are able to access and edit organization settings. If you're authorization level is set to "member", please contact your administrator for organization settings access.
Please remember to save changes once finished.