Advertising Age named Debra Aho Williamson, 27, editor of the Interactive Media & Marketing section, from managing editor of the section. She succeeds Scott Donaton, who joined TV Guide Online. Ms. Williamson will also help develop and manage Ad Age's new-media line extensions, including the magazine's World Wide Web site
and online editions on Prodigy and Apple Computer's eWorld
. Also, Kim Cleland, 27, becomes associate editor of Interactive Media & Marketing, from reporter for Ad Age and its sister publication, Business Marketing.