To Access the Lead Routing page.
Click on Your Name near the top right corner.
A menu will open.
Click on the Account Settings item.
In the Advanced menu
Click on the Lead Routing item.
This will allow you to Route Leads and any other People in your Farm to your Team Members.
First, make sure your Teams and Team Members are setup Properly.
Click Here for more Information on how to use the Lead Routing feature.