Hmm, to an English speaker you have a MBA Degree (with focus in Management/Economics etc...   He will be puzzled...since in their countries it´s a post-graduation course, well it is, but in Brazil it´s not.

I am afraid you will have to explain how is our Education System back in Brazil.

In Brazil

http://pt.wikipedia.org/wiki/Mestrado_em_administra%C3%A7%C3%A3o_de_empresas

http://en.wikipedia.org/wiki/Universities_and_higher_education_in_Brazil

In UK.

http://www.guardian.co.uk/search?q=mba§ion=education

http://www.guardian.co.uk/education/2012/feb/28/find-course-with-postgraduate-tables-2012?INTCMP=SRCH