At LMImpact, a unit of Lehman Millet, Boston: Elizabeth Kent to VP-director of operations, a new post, from account supervisor; Bill Green to VP, from account supervisor.
John Herbert to senior VP-human resources and law, a new title at Ross Roy Communcations, Bloomfield Hills, Mich., from law firm Epstein Becker & Green, New York.
Robin Perkins to president and partner, Clifford Selbert Design Collaborative, Cambridge, Mass., from senior VP; she replaces partner Cliff Selbert, who becomes CEO.
At the new Arnold Interactive division of Arnold Communications, Boston: Greg Titus, 37, to VP-interactive marketing, a new post, from VP-account supervisor at the parent agency.
Barbara Shornick to advertising director, A&E Television Network's History Channel, from account supervisor, Grybauskas Beatrice, New York, A&E's ad agency; she succeeds Kate Canon, who left.
Copyright May 1997, Crain Communications Inc.