Go to:--> https://groups.google.com/
In the search box type the group you want to update then click on it
From the left navigation menu choose members under people
4) If you want to add a member click on Add member -->type the member email (----@aisegypt.com|) then add member at the bottom
If you want to add a manager, click on Add manager then type the staff email then add member at the bottom
5) If you want to delete a member→ check the member you want to delete then remove member icon