About the Author Porfirio Holy Days held his higher education in the Faculdade de Letras of Porto, where under a scholarship obtained a degree in Philosophy in 1984 . Trained in Business Management with ANJE - Associacao Nacional de Jovens Empresarios. Master degree Master of Business Administration - MBA from the Institut Francais de Gestion . Professionally, he worked in advertising area, having created hundreds of commercials for radio as copywriter, scripts and direction of commercials for television, participating and managing creative teams in the execution of all kinds of promotional ac...