Carolyn has worked in the telecommunications & technology field for more than twenty years. Since 2001, she has served on the Board of Directors of several public and private companies, and is currently a Director at NII Holdings, a multinational cellular telecommunications company, and American Tower, a provider of international communications infrastructure. 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, Ms. Katz was employed by Goldman, Sachs & Co., most recently as a Managing Director and co-head of Emerging Communications and previously as Director of Credit Research. She graduated from Princeton University.