By Dave Trott
By Malcolm Gladwell
By Ricardo Fayet
By Laura Brill
By Eric Giguere
By Kathleen Hall Jamieson (Professor and Dean, Annenberg School for Communication, Professor and Dean, University of Pennsylvania)
By Jeffrey Gitomer
By John Fraser-Robinson
By Barbara Findlay Schenck
By Robert Opie
By Robert A. Adams
By Jonah Berger
By Eric Louw
By Jeetendr Sehdev
By Vincent Yearley
By W. Chan Kim, Renée Mauborgne, Renee A. Mauborgne
By Peggy Carlaw, Vasudha Deming
By David W. Cravens
By Vern Terpstra, Ravi Sarathy
By Colin V. Sowter
By Marty Neumeier
By Paul Arden
By Cathy H. C. Hsu, Tom Powers
By W. Ronald Lane, Karen Whitehill King, J. Thomas Russell
By Ruth Rentschler, Anne-Marie Hede
By Alina Wheeler
By Kathleen Hall Jamieson (Dean, Annenberg School for Communication, Dean, University of Pennsylvania)
By Laura Dodsworth, Patrick Fagan
By Philip Kotler, Alan R. Andreasen