Flávio Behring was born on November 21, 1937, in Brazil, and his path to Gracie Jiu-Jitsu began not out of competitive ambition but out of medical necessity. At the age of 10, his family turned to Jiu-Jitsu as a remedy for a persistent asthma condition — an unconventional prescription that would go on to define the entire arc of his life. The irony was not lost on those around him: the dusty training mats occasionally aggravated the very condition the sport was meant to alleviate, yet Behring persisted without hesitation.

He trained at Helio Gracie's academy in Rio de Janeiro before continuing his development at the Gracie Academy on Rio Branco Avenue, an institution that stood at the heart of Brazilian Jiu-Jitsu's formative years. There, he came under the direct guidance of João Alberto Barreto, one of the academy's most respected and technically accomplished coaches. That rigorous, traditional environment forged Behring's foundational understanding of the art and instilled in him the values of discipline and methodical instruction that would define his own teaching for decades to come.

At 15 years old, Flávio Behring faced a test that would have unsettled far more experienced practitioners. He was matched against a 20-year-old Judo black belt who trained under Oswaldo Fadda — a lineage that represented a genuine rival tradition to the Gracies within Brazilian martial arts. The gap in age and rank was substantial, and Behring acknowledged his nerves going into the contest. Despite these disadvantages, he secured a submission victory, demonstrating both his competitive readiness and the depth of technical preparation he had received under Barreto's guidance.

The match carries historical weight beyond its individual outcome. It stands as a rare documented example of inter-lineage competition during BJJ's formative years in Brazil — a period when boundaries between schools and traditions were fiercely guarded. Behring's ability to perform under that kind of pressure, at that age, against an opponent from a competing lineage, signaled early that he was developing into something far beyond an ordinary student of the art.

The year 1955 brought an unexpected turning point in Behring's trajectory. João Alberto Barreto suffered a knee injury that temporarily removed him from his coaching duties at the academy, creating a void that needed to be filled without delay. The responsibility fell to Behring — still a teenager — who stepped in to take over instruction in Barreto's absence. The trust placed in him at such a young age reflected both his technical maturity and the confidence the academy's leadership had built in him through years of close observation.

The experience proved formative in ways that extended well beyond technical instruction. Assuming institutional responsibility during a moment of need accelerated Behring's evolution from student to educator. He was compelled to articulate concepts he had absorbed intuitively, organize training sessions, and manage practitioners at varying levels of development — skills that would serve as the scaffolding for a lifetime of teaching and organizational work within Brazilian Jiu-Jitsu.

Following his formative years within the Gracie academy system, Flávio Behring turned his attention to expanding the reach of Jiu-Jitsu across Rio de Janeiro through a series of institutional ventures that unfolded over several decades. He began by coaching at a YMCA, a setting that brought the art into contact with a broader and more socially diverse audience than the private academy environment had historically served — a move that reflected both an entrepreneurial instinct and a genuine commitment to spreading Jiu-Jitsu beyond its established base.

He subsequently partnered with João Alberto Barreto to help establish a new academy in the Copacabana neighborhood, extending the Gracie tradition's physical footprint within the city. Then, in the 1970s, he co-founded a gym in Barra da Tijuca alongside Ricardo Murgel, contributing to the sport's growth in a part of Rio undergoing significant urban and cultural development. These sequential ventures — spanning from the 1950s through the 1970s — reflect a sustained, decades-long commitment to institutionalizing Jiu-Jitsu beyond the original Gracie academies and embedding it more deeply into the fabric of Brazilian society.

In 1987, Flávio Behring made a significant geographic transition, relocating to São Paulo to establish a Jiu-Jitsu school in Brazil's largest city. The move represented the latest chapter in his career-long pattern of building and expanding the sport's institutional presence, this time on a broader national stage.

His son Marcelo Behring was a prominent figure in both the Jiu-Jitsu and surfing communities during this period, and his involvement with the São Paulo project lent the enterprise additional visibility and energy. A critical lineage distinction, however, must be noted: Marcelo's development as a Jiu-Jitsu practitioner ran not through his father but through Rickson Gracie, under whom he earned his black belt. Widely regarded as one of Rickson's greatest students and among the finest fighters of his generation, Marcelo built his reputation on technical excellence and competitive results that placed him in rare company within the art. Flávio brought institutional drive and organizational experience to the São Paulo project, while Marcelo's technical identity was shaped entirely by Rickson Gracie's instruction — a distinction that matters for accurate lineage records and reflects the interconnected yet distinct threads running through BJJ's expansion during this era.

Marcelo Behring's trajectory was cut tragically short when he passed away in 1994 due to drug addiction. His death left a lasting mark on those who knew him across both the martial arts and surfing communities, and the loss of a practitioner of his caliber remains one of the more sobering chapters in BJJ's history.

Flávio Behring holds a 9th-degree red belt in Brazilian Jiu-Jitsu, one of the art's highest and most rarely conferred honors. The belt was awarded to him by João Alberto Barreto — the same man who had guided him from his earliest days on the mats as a 10-year-old battling asthma. That Barreto was the one to formally recognize Behring's lifetime of contribution carries a meaningful symmetry, closing a circle that had opened more than half a century earlier in the training halls of Rio de Janeiro.

As a direct student of both Helio Gracie and João Alberto Barreto, Behring occupies a significant node within the classical Gracie lineage tree. His active career, spanning from the late 1940s through the late 20th century, positions him as one of the few living connections to the original generation of practitioners who built Brazilian Jiu-Jitsu from the ground up. The Behring Jiu Jitsu team that carries his name stands as the institutional expression of his decades of teaching, organizational effort, and unwavering commitment to propagating the art — from the academies of Rio de Janeiro to the expanding urban landscape of São Paulo.