The following post shows how to update the Account Owner information within GatherUp
1) Log into GatherUp.com
2) Click on your name in the top right corner of the screen and click Account Owner Details from the menu.
3) You can change the First Name, Last Name and reset the Password.
For security reasons you cannot change the primary email address associated with the account from within GatherUp. To change the email please email the Support Team of GatherUp: support@GatherUp.com