You will need to login to the site to view the Directory and change your Profile. In order to login, you must have a Profile. You must have the authentication code to enter your profile. Email email@example.com to obtain the authentication code.
To create your profile click the Enter Profile link and enter your information. You choose the information that you want to enter but you must enter a username (the username should be but does not have to be your email), your password, and you must enter your first and last name - otherwise your profile will be removed. All the other information is optional - you choose what to include. Profiles can only be seen by people logged into the site.