Samuel Rosario

Durante m?s de una d?cada, Sam Rosario ha estudiado los conceptos m?s profundos de Administraci?n del Tiempo y Productividad. Con poco m?s de veinte a?os, fue ascendido a un puesto ejecutivo y ha...

For more than a decade, Sam Rosario has studied the deepest concepts of Time Management and Productivity. In his early twenties, he was promoted to an executive position and has lead over 400 major...