Caitlin Friedman, a cofounder of the boutique public relations agency YC Media, is a full-time writer and consultant. Kimberly Yorio is the president of YC Media, specializing in publicity for cookbooks, restaurants, wine and spirits, and food products. They've written four books together, including The Girl's Guide to Being a Boss; The Girl's Guide to Big Bold Career Success; and Happy at Work, Happy at Home.