John T. Cacioppo is Tiffany and Margaret Blake Distinguished Service Professor in the Department of Psychology, Director of the Social Psychology Program, and Co-Director of the Institute for Mind and Biology at the University of Chicago.

Penny S. Visser is Associate Professor of Psychology at the University of Chicago and editor of a special issue of Political Psychology on social neuroscience.

Cynthia L. Pickett was Assistant Professor of Psychology at the University of Chicago and is now an Associate Professor of Psychology at the University of California-Davis.