To edit any information related to your profile, simply head to Settings & Wallet and then to Personal Info. You will there be able to change your profile photo, first and last name, e-mail address, and contact number.
Please note that contact details are completely private and inaccessible to other members until you accept an offer from them, so you do not need to worry about having them stored on your profile.
Who can see my profile and info?
How do I change my password?
How do I adjust my notification settings?