FooCamp is an excellent conference WordPress theme. It includes all the features you need for setting up a conference program. The theme comes with a multi-layer Revolution Slider and different portfolio layouts. You can easily schedule programs in different rooms or locations, set up speaker details, include FAQ section, and more.
This theme for conferences and barcamp has custom post types, shortcodes, unlimited colors and a user-friendly admin panel. The theme also comes with a full Google Maps and Google Analytics integration.