Admin Access is the section in Wedge that allows sharing access to the Ecosystem. Each Ecosystem can have only one Owner that cannot be removed, but many Administrators and Auditors.
Add the second administrator
In your organization is more than one person that should be able to manage the Ecosystem. Add email addresses to the list and set the Administrator role.
This user will see your Ecosystem on the ecosystem list that is shown after login.
If you want to know more about sharing the Ecosystem read this article.
In the center part of the screen, you may find the list of all administrators added to the Ecosystem.