Your default profile is the profile you see first when logged into FamilyID.
1) To change your default profile, log-in to FamilyID and select the blue 'Profile' link on the top-right of the page. This will bring you to your 'Personal Information'
2) From the 'Default profile' drop down list, select either your 'family' or 'organization' account. Then choose the green 'SAVE' button. The next time you log back into your FamilyID account, you will see the selection you made for your default profile.