John C. Maxwell
Maria Agustina Murcho
Rhonda Byrne
Emmanuel Cestaro
Alejandra Stamateas
Borja Vilaseca
Javier Candarle
Mario Javier Vaena
Laura Szmuch
Tito Loizeau
Juan Bautista Segonds
Juan Tonelli
Kenneth Wapnick
Demian Bucay
Jorge Bucay
Fernando Trias De Bes
Nico Serna
Silvina Draiman
Rose Akisi
Bernardo Stamateas
Paulo Coelho
Walter Riso
Elisabeth Kübler Ross
Pilar Sordo
Joan Garriga
Federico Pinedo
Emily Esfahani Smith
Tererai Trent
Daniel J. Siegel, Tina Payne Bryson