Born in 1982 in the city of Brasília - DF, Marianna Chaves spent much of her life in the city of João Pessoa - PB, where she graduated in Law in 2006.
Also in 2006, she underwent the examinations of Brazilian BAR, held on 08/20 and 17/09, and was approved. Newly graduated, she applied for a Master's Degree in Legal Sciences at the Faculty of Law of the University of Lisbon. She started taking classes in November 2006 and defended the master's thesis “Homoafetividade e Direito: Uma Perspectiva Luso-Brasileira” on March 26 of 2010, with the final classification of Very Good.
She is a specialist in Legal Sciences from University of Lisbon (2008)