Horlando Monteiro was born on January 20, 1995, in Imperatriz, in the Brazilian state of Maranhão. Shortly after his birth, his family relocated to Natal, in the state of Rio Grande do Norte, and his upbringing unfolded between Natal and João Pessoa, the capital of the neighboring state of Paraíba. Growing up, Monteiro developed a deep fascination with mixed martial arts and harbored ambitions of one day competing professionally in the UFC — a dream that would ultimately steer him toward the competitive jiu-jitsu circuit.

In December 2007, at the age of 12, Monteiro persuaded his family to enroll him in jiu-jitsu classes. The experience proved transformative. He fell in love with gi training almost immediately, and his aspirations gradually shifted from the cage to the competition mat. His first instructor, Tayrone Dasmaceno of GF Team – Paraíba, awarded Monteiro his blue belt and built the technical foundation that would underpin his later success.

As Monteiro's commitment to jiu-jitsu deepened, he sought a higher level of training and joined Kimura/Nova União, one of the most decorated and respected teams in Northeastern Brazil. The club had produced a remarkable roster of elite athletes, including Jussier 'Formiga', Renan 'Barão', Kiki Melo, Bruno 'Alminha', and Marcelo 'Caneta' Pinheiro. Under the tutelage of team founder and head coach Jair Lourenço, Monteiro's development accelerated rapidly, and he quickly established himself as one of the most feared competitors across the Northeastern region.

Colored Belt Excellence

Monteiro's colored belt campaign was nothing short of exceptional. At blue belt, he claimed gold at the IBJJF European Open in 2013 and topped the podium at the CBJJ Brazilian Nationals that same year, while a runner-up finish at the IBJJF World Championship in 2012 as a blue belt juvenile signaled his potential on the global stage. At purple belt, he captured the IBJJF Pan Championship title in 2015 and added gold at the UAEJJF Abu Dhabi Pro that same year, along with the IBJJF/USBJJF American Nationals in 2014. His brown belt campaign proved equally dominant, culminating in a gold medal at the 2016 IBJJF World Championship — one of the sport's most prestigious titles — alongside another Pan Championship gold and a runner-up finish at the Abu Dhabi Pro in 2016.

Black Belt Promotion

During his colored belt years, Monteiro began traveling to the United States to compete in premier BJJ events, a decision that broadened both his competitive résumé and his professional network. In the USA, he connected with Gustavo Dantas, a prominent figure in the sport renowned for his mental coaching program and his track record of developing high-level athletes. Dantas's guidance proved instrumental in shaping Monteiro's psychological approach to competition — a dimension that would prove just as critical as his technical arsenal. On November 1, 2016, Horlando Monteiro received his black belt in a ceremony led by three central figures in his journey: Jair Lourenço, Gustavo Dantas, and Marcelo 'Caneta' Pinheiro.

Competing in the Meio Pesado division (88kg/194lbs), Monteiro carried the momentum of his colored belt career into the black belt ranks with immediate impact. Within weeks of his promotion in 2016, he claimed gold at both the IBJJF Berlin Open and the IBJJF Paris Open, announcing his arrival at the elite level with conviction.

Building an International Record

The year 2017 brought a pair of runner-up finishes at the IBJJF European Open and the IBJJF NY Spring Open, along with a bronze at that same European Open — results that reflected the formidable depth he was navigating at the top of his division. Monteiro's most productive black belt season came in 2018, when he assembled a string of victories across multiple continents. He captured the IBJJF European Open title — one of the largest open tournaments on the IBJJF calendar — and followed with gold at the IBJJF American Nationals and the IBJJF San Jose Open. A runner-up finish at the CBJJ Brazilian Nationals that year further cemented his standing among the elite in his weight class.

In 2019, Monteiro earned a bronze medal at the CBJJ Brazilian Nationals, and in 2020 added a bronze at the IBJJF Pan Championship, one of the sport's most competitive annual events. His return to the top of the podium at the IBJJF American Nationals in 2023 demonstrated the sustained excellence and competitive longevity that have defined his black belt career across nearly a decade of elite-level competition.