
Nunes Marques
Minister of the Supreme Federal Court of Brazil (STF)
Kassio Nunes Marques is a Brazilian jurist serving as a Minister of the Supreme Federal Court of Brazil, the highest court in the country. He was appointed to the STF by President Jair Bolsonaro and took office in November 2020. His rulings on gambling-related cases have drawn significant attention from the iGaming industry.
Prior to his elevation to the Supreme Court, Nunes Marques served as a federal judge and then as a desembargador (appeals judge) at the Federal Regional Court of the 1st Region (TRF-1). He began his legal career in private practice and as a lawyer in the state of Piauí. His judicial career spans over a decade before joining the STF.
As a Supreme Court minister, Nunes Marques has issued multiple rulings on municipal lotteries and sports betting, including decisions that suspended municipal lotteries and sports betting laws in 2025 and 2026. These rulings have had a direct impact on the Brazilian gambling industry, making him a key figure in the regulatory landscape.