You can change your profile details after successful login into your account.
So if you are not logged-in, Please login into your account.
After successful login, there are two ways to reach to “My Profile” option.
Both options are shown in below image.
From "My Profile" page you can change following details.
1. Profile Pic
2. General Information
3. Work Information
4. Contact Information
Change the data you wish to, and click on SAVE button to save changes.