The new BBGV website allows you to manage your profile as well as managing your company.
After logging you can access your profile directly by clicking the button called "My Profile" located right above the BBGV logo as show on the screen shot.
Once on your profile page, simply click on "Edit Profile" below your profile picture (see screen shot below).

Or click on "My Profile" --> "Edit Profile" (see screen shot below).

You simply need to complete your changes and click on the "Save" button located at the bottom of the page, right after the form, to update your profile.
You can also click on the "Edit Profile" link in your "Profile Options" box located below your profile details of your profile page.