Libby earned a B.A. in Political Science from Barnard College and her J.D. from George Washington University.
Outside the office, Libby has served as a Commissioner for the Women's Refugee Commission, an advocacy group that works to improve the lives and defend the rights of refugee and internally displaced women and children. In addition, Libby sat on the Board of Directors of The MITRE Corporation, a not-for-profit systems engineering and advanced technology organization that works exclusively in support of the U.S. government on critical technology and modernization issues.