Kristin Brethel-Haurwitz, Ph.D., is a Postdoctoral Researcher at the University of Pennsylvania studying the neural and genetic bases of individual differences in social preferences that lead to extreme selfishness. She conducted her graduate research in the Laboratory on Social & Affective Neuroscience at Georgetown University, where she studied the neurocognitive bases of extraordinary altruism.
Abigail Marsh, Ph.D., is an Associate Professor at Georgetown University and the author of the forthcoming book Good for Nothing: Understanding Altruism, Psychopathy and Everything in Between. She directs the Laboratory on Social & Affective Neuroscience, where she and her students conduct behavioral, genetic, and brain imaging research aimed at addressing questions like: How do people understand what others think and feel? What drives us to help other people? To learn more about her research, visit www.abigailmarsh.com.