Susan K. Jones is a Professor of Marketing at Ferris State University in Big Rapids, Michigan and a partner in the Callaghan Group, LLC in Rosemont, Illinois. She is author of Creative Strategy in Direct Marketing and co-author of Selling by Mail and was named the Charles S. Downs Direct Marketer of the Year for 2002 by the Chicago Association of Direct Marketing.

Edward J. "Ted" Spiegel is on the faculty of The Medill School of Journalism and Integrated Marketing Communications of Northwestern University, a principal in Spiegel Marketing Associates, a partner in The Callahan Group, LLC, and for 30 years senior Vice President for Marketing and Advertising of Spiegel, Inc. A multiple award winner for his work as both an educator and a practitioner, Spiegel was named one of the 200 most influential People in Direct Marketing by Target Marketing Magazine.