You can check the owner of a workbook anytime.
Just click on the button "Details" (1) and select the name of the owner which you can see here (2).
Clicking on it will take you to the its' user profile:
You can check the owner of a workbook anytime.
Just click on the button "Details" (1) and select the name of the owner which you can see here (2).
Clicking on it will take you to the its' user profile: