Gustavo Aníbal Macedo Coelho has a degree in Law, a postgraduate degree in Civil and Civil Procedural Law and a Master's Degree in Public Law. He entered the notarial and registry activity through a public contest in the admission modality in 2010. He practiced law between the years 2004 and 2005. He entered the position of judicial analyst at the Court of Justice of the State of Maranhão through a public contest, where he worked between 2006 and 2009. He was interim registrar at the Civil Registry of Natural Persons of the 2nd Zone of São Luís/MA and interim notary of the 3rd Notary Public of São Luís/MA. He was a founding member of ATC/MA and Colégio de Registro de Imóveis/MA. He participated in the composition of Anoreg/MA, IEPTB/MA, IRTDPJ/MA and the Notary College of Maranhão.