Hello b.bunny, Yes you can add an another Account Holder.
To request another person to be added to your account, the first step is associating them with your membership. If this individual you'd like to add to your bank account is NOT yet listed as an associate, you may select Add a Family Member from your Profile and Preferences.
Then, from your account page via mobile select MENU then Account Details, to submit the request to Add an Account Holder. Via website, it is located on your Account Details tab once you're on your account page.
For any assistance taking care of this, our Deposit Specialists are available via Secure Online Chat 24/7 from Contact Us options or via phone at 210-531-8722.
Have a great day! ~ Lori C.