Writer at @TheAtlantic. Host of podcast CRAZY/GENIUS. Author of book HIT MAKERS. Talker on NPR's @hereandnow and @CBSNews. derek[at]theatlantic[dot]com

Alex Tabarrok is a professor of economics at George Mason University and with Tyler Cowen a founder of the online education platform http://MRU.org.

political scientist, author, teach at columbia sipa, columnist at time, president @eurasiagroup, @gzeromedia. if you lived here, you'd be home now.

The neuroscience of eating behavior and obesity. Author of The Hungry Brain. Founder and director of Red Pen Reviews. Neuroscience PhD, University of WA.