Favorite Experts are Experts you have selected manually and added to your Favorite Experts list by pressing the 'Add to Favorites' button on an Expert's page on the left hand side. Your favorite Experts are shown by default at the top of your My Experts list, and marked as 'My Favorite' at the top right corner so you can distinguish them from the other experts.

You may filter experts by your desired criteria using the 'Sort By' button next to 'My Experts'.