Ty Tashiro (@tytashiro) is an author and relationship expert. He wrote Awkward: The Science of Why We're Socially Awkward and Why That's Awesome and The Science of Happily Ever After . His work has been featured at the New York Times, Time.com, TheAtlantic.com, NPR, Sirius XM Stars radio, and VICE. He received his Ph.D. in Psychology from the University of Minnesota, has been an award-winning professor at the University of Maryland and University of Colorado, and has addressed TED@NYC, Harvard Business School, MIT's Media Lab, and the American Psychological Association.

Sir David Spiegelhalter (@d_spiegel) is the Chair of the Winton Centre for Risk and Evidence Communication and has dedicated his work to improving the way that quantitative evidence is used in society. He is the former President of the Royal Statistical Society as well as a three-time former guest on Stats and Stories.