To contact a Trade Leader:
On any strategy detail page you will see the Trade Leader's screen name just below the name of the strategy. Click on the name and the Profile will appear. Click on Send Message button to be taken to the C2 Message Center.
To retrieve messages and compose replies:
In the upper right corner of any C2 page, next to your name, you will see an envelope. It will glow green and display a number if you have new unread messages.