At the same time, Scott Donaton is rejoining Ad Age as executive editor, with day-to-day responsibility for the flagship weekly Ad Age and AdAge.com, the publication's World Wide Web site.
Mr. Klein, 40, returns to Crain Communications Inc. from his post as editor of CMP Publications' Information Week. Mr. Donaton, 28, most recently was the editor of TV Guide Online. Mr. Klein will be based in Chicago and Mr. Donaton in New York.
Steve Yahn gives up the title of Ad Age editor and is leaving the company to pursue other interests.
Ed Erhardt, VP-publisher of Ad Age, said: "We are pleased and excited to be able to have David and Scott return to Crain Communications and Advertising Age. We had a unique opportunity to bring these two first-rate business journalists back as a team, and look forward to them leading the Ad Age Group into the 21st century."
Mr. Klein spent 10 years with Crain at Electronic Media, rising to the title of editor. Before his tenure at Information Week, he was the founding editor of CMP's Interactive Age. He has extensive knowledge and experience in the TV, technology and interactive marketplace.
Mr. Donaton, a longtime editorial staffer at Ad Age, previously rose to the position of executive editor of Ad Age's Interactive Media & Marketing section and was the driving force behind Ad Age's Web site and online publishing activities.
Before that, Mr. Donaton spearheaded Ad Age coverage of advertising and marketing issues as they related to the magazine industry.
The Ad Age Group consists of Advertising Age, Advertising Age International, Business Marketing, Creativity and the AdAge.com Web site on the Internet (http://www.AdAge.com)