Learn how to change your password, add an avatar image, set your timezone, change your state, and edit your name.
- Tap the menu
icon in the upper left of the screen. - Tap your name in the lower left of the menu.
- Tap My Account.
From here you can change your name as shown to others in your organization, the state you're located in, your timezone, and add an avatar image so others can see an image of you next to the name. Once you've made any changes tap the check mark to save them. 
In the upper right you can also tap the key 
icon to change your password.