This is the experts.feverbeee.com theme that was graciously made available by Richard Millington as described in this topic. Jay Pfaffman downloaded the theme, removed Feverbee-specific elements and published it here.
This theme is intended as a starting point only. Before using this theme you will need to make modifications to customize it for use on your site. Have a look at How to add a featured topic list to your Discourse Homepage for some more information.