Gartner Group, a technology consultant, named Robert E. Knapp chief marketing officer, a new position, from chief client officer, Siegelgale, New York, an interactive agency and consultancy. He will be based in New York.
GO.com named Rajiv Samant exec VP-general manager of its portal business. Mr. Samant, based in New York, previously was general manager of IBM Corp.'s Unix operating systems brand group.
National Public Broadcasting named David Cavallo manager-Internet sales. He had been an account exec with National Public Broadcasting since 1998. He will be based in New York.
Copyright July 2000, Crain Communications Inc.