Your profile is important for letting your team members and third parties identify who you are when you share with them a contract, while collaborating, and when signing an agreement. Your profile details will also auto-fill your signature block.
Settings can be found by clicking at the lower left hand corner of every page:
To edit your profile details:
Profile Settings > My details > Edit > Fill in Name, Job Title, Phone (optional) > Save
To change your avatar:
* By default, your avatar will contain the initial of your first and last name
Personal Settings > My details > hover over your initials in the circle > "Edit" > choose file > Save