How To: Change your Groundswell Email or Backup Email
Mobile App:
If you need to change the email associated with your Groundswell account, enter the app, and navigate to Profile > Account settings > Account info. There, you should see options to update both your primary email and backup email.

Web App:
If you need to change the email associated with your Groundswell account, login to Groundswell, and navigate to Profile > My Account > Account. There, you should see options to update both your primary email and backup email.