Mariana Soares David obtained the Certificate of “Master Lawyer in Mediation” issued by ICFML - Instituto de Certificação e Formação de Mediadores Lusófonos, being the first lawyer to be certified in Portugal.
This certification covers lawyers with expertise in Portugal and Brazil who work by international quality criteria in conflict management.
Mariana Soares David is also a member of the "Mediation Advocacy" certified list, as well as the exclusive list of mediators certified by the International Mediation Institute (IMI). She is also a member of the Ministry of Justice's list of mediators.