Walter Karl has been awarded sole list management responsibilities for all Penton Media publications, tradeshows and databases, effective July 2.
Walter Karl will become the exclusive list manager for all of the Penton Media files, including those formerly managed by Merit Direct.
The files will be added to the existing former Prism Business Media files managed by Walter Karl Inc. since 2005.
The expanded files include 41 additional publications and nine additional databases.
Penton Media Inc. is an independent business-to-business media company. It serves more than six million business professionals monthly in 30 industries.