You can access your personal profile by tapping on your profile picture (or the avatar with your initials) in the top left corner of the screen. You will first see your account where you can adjust multiple settings for the app and access your profile.
On your profile, you'll see the "About you", "Stats" and "Team" sections. You can explore those areas for your own profile or for your colleagues' profiles which you can access by tapping on their profile picture in the Feed.
At the moment you cannot edit your profile in the app, but we're looking forward to adding this capability soon.