He will also serve on the executive team of Euro RSCG MVBMS Partners. He is expected to start his new position next month.
Mr. Berg could not be reached for comment.
Mr. Berg was at DDB since 2000. Prior to his stint at DDB, Mr. Berg served as group publisher at Wenner Media's Rolling Stone magazine for a year and, before that, was at Omnicom's BBDO Worldwide for 13 years.