Ms. Katz joined the Board in 2014. She is currently serving as Executive Chairman of Author & Company, a digital publishing company. Since 2001, Ms. Katz has served on the boards of several public and private companies, and is currently a director of American Tower, a provider of international communications infrastructure, and NII Holdings, a multinational cellular telecommunications company. Previously, Ms. Katz served as a principal of Providence Equity Partners Inc., a private investment firm specializing in equity investments in telecommunications and media companies. From June 1984 to April 2000, she worked at Goldman, Sachs & Co., ending her tenure there as a managing director and co-head of Emerging Communications. She is a graduate of Princeton University.