In order to change your registered email address, you will need to sign in at GuideStar (www.guidestar.org) using your (old) email address and password.
If you do not know the password associated with your old email address, click here for instructions to assist you with resetting your password.
Once you are signed in, click on the arrow next to your name in the upper right hand corner of the home page. Next, click on My account.
Once you are on My Account page, click on Edit Account Settings.
Under Account Information, enter your new email address.
Scroll down to the bottom of the page and click on the Save Changes button.