In When I Work, you do have the option to see which coaches are working with you on a specific shift that you are scheduled for. The instructions vary depending on which device you're using When I Work with:
Computer:
https://help.wheniwork.com/articles/viewing-your-coworkers-schedules/
iPhone or iPad:
https://help.wheniwork.com/articles/viewing-your-coworkers-schedules-iphoneipad/
Android device:
https://help.wheniwork.com/articles/viewing-your-coworkers-schedules-android/
You can also view their contact details by doing the following:
Computer:
Once viewing the schedule as described in the article above, you can select the coworker and see their contact details.
Android & iPhone or iPad:
Once viewing the schedule as described in the article above, you can select the coworker > select their name under 'Who' > this will then display their contact details.