How do I see which Opportunities a user is in at Organization level?

If an Organization Manager wants to see which Opportunities a user is in, they can access this information from the profile pop-up. From the Organization Staff list, a Manager can click on a user's name to open their profile and access the Opportunities tab along the left-hand side nav-bar. 

org opp tab

The list will, by default, contain Current and Upcoming Opportunities, but Managers can switch to see Past or All Opportunities on the list using the dropdown menu.