Nikki Elbertson, M.Ed., is the director of product development and implementation at the Yale Center for Emotional Intelligence. In various research and training roles at the Center since 2002, she has contributed to the development, implementation, and evaluation of RULER from early childhood through high school. Nikki has co-authored many of the Center’s research studies and curricula, including scholarly articles, papers, and book chapters. Her favorite emotion management strategy is teaching group fitness classes, which she’s been doing since 2008.