If your company has multiple users who work on app development and app submissions, you can give them access to your company’s account. You can also assign each user a role that limits their permissions within your account. Keep in mind as an account owner, you are responsible for all activities that occur under the accounts you authorize.
To add users to your organization’s developer account, follow the guide to Manage your Amazon developer account and permissions:
In addition, you can manage all your developer account details within the Appstore Developer Console.