On a staff member's profile hover over the blank avatar and Edit Profile Picture will appear. If you click on this it will give you the option to Upload Photo
You can upload a photo from your computer. Once you have chosen your photo you are able to crop your profile image before saving it to Staff Squared.
If you are not happy with the photo you can choose another photo or delete the photo by hovering over the image again and clicking on Edit Profile Picture and the option to Delete Photo will appear