Edgar Cabanas received his PhD in psychology from the Universidad Automna de Madrid. He is now associate professor at Camilo José Cela Universidad in Madrid as well as adjunct Researcher at the Center for the History of Emotions at the Max Planck Institut in Berlin. His work looks more specifically at the political, economical and social uses of happiness. Happycracy is his first book.

Eva Illouz received her PhD from the Annenberg School for Communication at the University of Pennsylvania in Philadelphia. She has served as a visiting professor at NorthWestern then Princeton University. She teaches sociology at the Hebrew university in Jerusalem and in 2008 she was made a member of the Wissenschaftskolleg in Berlin. In 2009, the German newspaper Die Zeit called her one of the 12 thinkers most likely to “change the thought of tomorrow”. In 2012 she was appointed as first female President of Bezalel Academy of Art and Design from which she resigned in 2014. Illouz is also a professor at Paris' School for Advanced Studies for Social Sciences (EHESS). In the tradition of the Frankfurt School, her work revolves around a critic of “emotional capitalism” or the ways capitalism transforms emotional patterns in products and consumption goods. She is the author of 8 books that have been translated in 15 languages among which Cold Intimacy: The making of Emotional Capitalism, and more recently Why Love Hurts and Emotions as Commodities.