To change your default brand you will need to go to your default persona and change the branding by following the steps below.
To change your default brand click on your Username on the top right of AdvisorStream, and then click "Account Settings".
Select the "Profile & Boarding" tab.
Click on the persona with the green check mark signifying it as your default persona.
In the brand section select your default brand by clicking on the drop-down menu. Confirm that the "Default Persona" checkbox is selected.
Click "Save" on the bottom left when you finish.