Unisys Corporation announced that Lisa A. Hook has been elected to the Unisys board of directors, effective February 15, 2019. Hook brings to Unisys more than three decades of management experience in media, entertainment and information businesses. Most recently, she served as president and chief executive officer at Neustar Inc., a Sterling, Va.-based, global information services provider of which she remains a director. Prior to joining Neustar, Hook served in executive positions at SunRocket Inc.; AOL Inc.; Time Warner Inc.; and Viacom International Inc. Hook serves on the President’s National Security Telecommunications Advisory Committee (NSTAC).