How can I change the profile of the person that appears. Now my coworker's profile appears (Circle with letter "V"). I want this to change to myself. I have looked everywhere and cannot figure it out... :-/

How can I change the profile of the person that appears. Now my coworker's profile appears (Circle with letter "V"). I want this to change to myself. I have looked everywhere and cannot figure it out... :-/ | Community