Our Team

Ademar has a solid experience in public law’s dispute resolution, including administrative, electoral and criminal law. He has over 12 years of experience in the field and has worked in important Brazilian electoral campaigns. Before joining MJAB, Ademar was the founding partner of Silveira, Andrade, Neisser e Costa Filho – Advogados. Ademar is frequently consulted by journalistic media in Brazil involving political and constitutional issues. As partner in MJAB, he focuses on litigation.  


  • Master’s degree in Constitutional Law – Universidade de Brasília (ongoing)
  • Specialization in Criminal Law – Instituto Brasileiro de Ciências Criminais, 2009
  • Bachelor of Laws – Universidade de São Paulo, 2006