By Michael C. Ehrhardt (Associate Professor, Associate Professor, College of Business Administration, University of Tennessee-Knoxville)
By David Freemantle
By Lee Cockerell
By Leonard L. Berry
By Manfred Bruhn, Bruhn, Dr Manfred
By Pat Hutchinson
By Malcolm Peel
By Matthew Dixon, Brent Adamson, Pat Spenner, Nick Toman
By Jacques Horovitz
By John Fraser-Robinson
By Jeffrey Gitomer
By Tony Hsieh