Mary Blair-Loy is professor of sociology and codirector of the Center for Research on Gender in STEMM at the University of California San Diego. She is the author of Competing Devotions: Career and Family among Women Executives. Erin A. Cech is associate professor of sociology and mechanical engineering (by courtesy) at the University of Michigan. She is the author of The Trouble with Passion: How Searching for Fulfillment at Work Fosters Inequality.