A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
As somebody coming at this from the perspective of just trying to post a small project on connect, I can tell you exactly what you're not finding...
To the connect.unity.com team, please tell your managers that you need to do real testing with real people that are not in any way associated with...