Heidi Grant Halvorson is a social psychologist who researches, writes, and speaks about the science of motivation. She is Global Director of Research & Development at the NeuroLeadership Institute and serves as associate director of Columbia's Motivation Science Center.
Eliza Foss is an actor, writer, and director living and working in New York City. She has recorded over a hundred audiobooks and received many AudioFile Earphones Awards. She has been seen on major stages in New York City and in regional theaters across the country as well as in episodic TV and independent films.