by Peter Thiel
by Richard Koch
by Phil Baguley
by Jay Elliot
by Dale Carnegie
by JIm Collins
by Daniel Goleman
by Akio Morita
by Donald R.Keough
by Lee Iacocca
by Daniel Coyle
by Simon Sinek
by Stephen R. Covey
by Burke Hedges
by Brain Tracy
by Guy Kawasaki
