Tap on 
at the bottom right corner of the screen to enter your Profile. Tap on Edit at the top of the screen:
On this screen you have the ability to change your:
Profile Name
Profile Photo
Title
Description
First and Last Name
Email Address
Tap on at the bottom right corner of the screen to enter your Profile. Tap on Edit at the top of the screen:
On this screen you have the ability to change your:
Profile Name
Profile Photo
Title
Description
First and Last Name
Email Address