If you'd like to tell the world which organizations you belong to, you can display the avatars of the organizations on your profile.
In the upper-right corner of GitHub.com, select your profile photo, then click Your organizations .
Click the name of your organization.
Under your organization name, click People .
Locate your username in the list of members. If the list is large, you can search for your username in the search box.
Next to your username, select the visibility dropdown menu, then click a new visibility.