Tringali, Giuseppe
Claudio M. Nóvoa
Risto Mejide
Miguel García Sáiz
Stephen R. Covey; Bob Whitman; Breck England
Martin Lindstrom
Dan Roam
Y Otros; Ribero Soriano, Ribeiro
Anders Dahlvig
Noel M. Tichy; Warren G. Bennis
José Maria Anzizu
Chopra, Deepak