João Matos Viana joined the firm in 2001 and became a non-equity partner in 2019. He is head of a criminal and compliance team.

Currently he practices in the area of litigation, focusing specifically on criminal and administrative offences involving banking, securities, insurance competition and pharmaceutical law.

João collaborates regularly in administrative, tax and corporate areas regarding the criminal/administrative matters.

João Matos Viana is the author of several articles regarding criminal law and criminal procedure law.