To update your signature first click on your Username on the top right of AdvisorStream, and then click "Account Settings".
Click on the "Profile & Branding" tab.
Select the profile where you want to change your signature.
Find the "Signature" heading and change/edit your signature in the field box.
Click "Save" on the bottom left when you finish.
Note: Information that is traditionally included in e-mail signatures such as; title, phone numbers ect. is not needed. This information is already displayed in all newsletters and article landing pages.