To change your profile information or reset your password, click the person icon in the top right corner of the header bar and select 'My account' from the dropdown. From there you can click the pencil icon to the right of your name to update your name. To update your password, enter your current password and the new password in the prompts below your information. If you don't remember your current password, log out of the application and click the 'Forgot password' link below the login bar.