Ms. Hook has served as Chief Executive Office since October 2010, as a member of the Board since November 2010, and as President since January 2008. Previously, Ms. Hook served as President and Chief Executive Officer of Sunrocket, Inc., a voice over IP service provider, held several executive-level posts at America Online, Inc., a web services company, was a partner at Brera Capital Partners, a global private equity investment firm, managing director of Alpine Capital Group, LLC., an investment banking firm, held several executive positions at Time Warner, Inc., a diversified media company, was legal advisor to the Chairman of the Federal Communications Commission, and was a senior attorney at Viacom International, Inc., a diversified media company.
Ms. Hook also serves as Senior Independent Director of RELX PLC and RELX NV, providers of information solutions, and RELX Group, which they jointly own. In 2012, she was appointed by President Obama to serve on the National Security Telecommunications Advisory Committee (NSTAC). Her non-profit affiliations include being a director of Island Press, on the Advisory Board of The Peggy Guggenheim Collection, and on the Corporate Board of the John F. Kennedy Center For The Performing Arts. She is a member of the Committee of 200, an organization of the world's most successful women entrepreneurs and innovators, and the Committee For Economic Development, a business-led public policy organization.