By Napoleon Hill (Napoleon Hill), Ross Cornwell (Ross Cornwell)
By Gregg M. Steinberg
By Alan Chambers, Richard Hale
By Marty Holleran
By Paul Nunes, Larry Downes, Omar Abbosh
By G. Williamson McDiarmid, Yong Zhao (University of Oregon University of Oregon University of Oregon University of Oregon, USA)
By Steve Glowinkowski
By Tom Bower
By Jessamy Hibberd, Jo Usmar
By BJ Gallagher, Warren H. Schmidt
By Mariana Mazzucato, Rosie Collington
By Talula Cartwright
By Michael M. Lombardo, Robert W. Eichinger
By Cynthia D. Scott
By Bill Burnett, Dave Evans
By James M. Kouzes (Emeritus, Tom Peters Company), Barry Z. Posner (Leavey School of Business and Administration and Santa Clara University)
By Herminia Ibarra
By John P. Kotter
By Dawson, Sandra
By Carol S. Dweck
By Errol Lawson
By John Heider
By Amy Jen Su, Muriel Maignan Wilkins
By Sir John Whitmore
By Steven Kotler
By Dov Seidman
By Sang H Kim, PhD
By Adam Grant, Sheryl Sandberg
By Larry Winget
By Steven Levy