Born on December 6, 1965, in Rio de Janeiro, Brazil, Royler Gracie is the son of Gracie Jiu-Jitsu Grandmaster Helio Gracie. He began dedicated Brazilian Jiu-Jitsu training around the age of 7 or 8, under the expert guidance of his cousin, the legendary Rolls Gracie. Royler spent his formative years honing his skills at Rolls Gracie's renowned academy in Copacabana, absorbing the innovative techniques and strategic mindset that defined Rolls' teaching. Following Rolls' untimely passing, Royler continued his development under the mentorship of his older brother, Rickson Gracie.

Throughout the 1990s, Royler Gracie emerged as one of Brazilian Jiu-Jitsu's most dominant featherweight competitors. He set a remarkable record at the time by winning four consecutive IBJJF World Championships (1996, 1997, 1998, 1999). Known for his technical precision, strategic approach, and exceptional guard passing, Royler maintained an impressive unbeaten streak spanning several years. Demonstrating his versatility and courage, he notably competed in the Open Weight Division at the 1997 World Championships, securing an extraordinary third-place finish against significantly heavier opponents.

Expanding his competitive horizons, Royler ventured into mixed martial arts (MMA), balancing his MMA career alongside continued Brazilian Jiu-Jitsu competition and coaching responsibilities. One of his most memorable MMA bouts took place in 2000 against Japanese MMA icon Kazushi Sakuraba, where Royler was defeated via Kimura lock. He retired from MMA competition in 2006, leaving an enduring legacy in both grappling and mixed martial arts.

After stepping away from active competition, Royler Gracie dedicated himself fully to teaching and coaching. He led the prestigious Gracie Humaitá academy in Rio de Janeiro for many years, mentoring numerous champions including Saulo Ribeiro, Wellington "Megaton" Dias, Alexandre Ribeiro, Omar Salum, and Renato Barreto. In 2010, Royler relocated permanently to the United States, establishing his own Gracie Humaitá academy in San Diego, California, where he continues to cultivate global talent and uphold the Gracie legacy.

Royler remains actively engaged in teaching Brazilian Jiu-Jitsu worldwide. In June 2023, he conducted one of Australia's largest-ever BJJ seminars in Sydney, attracting hundreds of practitioners. His seminars skillfully blend classic Gracie self-defense techniques with contemporary sport Jiu-Jitsu strategies. Known for his approachable demeanor, detailed Q&A sessions, and willingness to share insights into Gracie family history, Royler's seminars are highly valued by practitioners seeking both technical refinement and historical perspective.

In May 2022, Royler Gracie received a surprise promotion to the prestigious rank of 8th-degree coral belt (red-and-white belt) from his brother Rorion Gracie. The unexpected ceremony took place at a Gracie Humaitá academy in California, honoring Royler's more than 50 years of dedication to Jiu-Jitsu. Royler's contributions to the sport have also been formally recognized through his induction into both the IBJJF Hall of Fame and the ADCC Hall of Fame, solidifying his legacy as one of the greatest featherweight competitors in history.

Royler Gracie has significantly contributed to Brazilian Jiu-Jitsu literature and media. In 2021, he co-authored a revised edition of the influential book "Gracie Jiu-Jitsu: Theory and Technique," incorporating decades of teaching experience and technical insights. Additionally, Royler has appeared on various podcasts, sharing anecdotes from his upbringing within the Gracie family and offering perspectives on the evolution of Brazilian Jiu-Jitsu. He remains a vocal advocate for the original Gracie Jiu-Jitsu ethos, emphasizing lifelong training, self-defense fundamentals, and mastery of basic techniques and distance management principles instilled by his father, Helio Gracie.