Stephen R. Covey(2) Iyanla Vanzant(2) Tony Jeary(1) Ben Hogan(1) Richard Ferber(1) Elaine Gavalas(1) Brad Gilbert(1) Rosemary Gladstar(1) Niels H. Lauersen(1) Anthony J. Rudel(1) Kevin Kunz(1) Vimala Rodgers(1) Anthony Robbins(1) Michele Weiner-Davis(1) Jacob Weisberg(1) Joel Greenblatt(1) Thomas Pickering(1) Sean Covey(1) Martin Gelbard(1) Henry J. Heimlich(1) Michel Georis(1) Gary Zukav(1) Brian L. Weiss(1)