Ms. Hook served as President and Chief Executive Officer of NeuStar, Inc., an information services and data analytics provider, from October 2010 to July 2018, and as a director from November 2010 to July 2019. Prior to joining NeuStar, Ms. Hook served as President and Chief Executive Officer of Sunrocket, Inc., a voice over IP service provider, from 2006 to 2007. From 2001 to 2004, she held several executive-level posts at America Online, Inc., a web services company. Ms. Hook also served in executive and special advisory roles at Time Warner, Inc., was legal adviser to the Chairman of the Federal Communications Commission, and was a senior attorney at Viacom International, Inc. Ms. Hook is a director of Philip Morris International Inc., Nokia Corporation, and Ritchie Bros. Auctioneers Incorporated. Ms. Hook is also a director of Ping Identity Holdings, Inc.; however, she previously announced her intention not to stand for re-election at Ping Identity Holdings’ annual meeting of shareholders on May 3, 2022, at which point she will no longer serve as director. Ms. Hook previously served as a director of Unisys, Inc and Partners Group Holding AG and as Senior Independent Director of RELX PLC and RELX NV. Ms. Hook previously served on the Board of Worldpay, Inc. from 2015 until the acquisition by FIS on July 31, 2019.