There are several ways to do this:
1. Some members include their email address in their signature thats gets attached to messages they post.
2. Click on the user's name where you may be able to send:
a. A private message (PM) (look for private messages in the top right after you have logged on) - these messages stay entirely within the Podiatry Arena system and only your user name will be revealed to the recipient.
b. Send them an email - your email address will be revealed to the recipient.
The receive a private message (PM) and receive email may not have been activated by registered members when they signed up.
Please note: Abuse of the PM and email will get you banned as a user.
For more information, please se the FAQ's:
What is Private Messaging?
Can I send email to other members?