Roberto "Natural" Jimenez is an Ecuadorian-American Brazilian Jiu-Jitsu black belt renowned for his aggressive, submission-focused style and fearless approach to competition. Born on May 19, 2000, in Miami, Florida.

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Roberto is the son of BJJ black belt OG Raul "Gacho" Jimenez. His early immersion in the sport and strong family influence helped shape him into one of the most exciting grapplers of his generation.

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Roberto rose to prominence in the BJJ world as a juvenile and blue belt, dominating major IBJJF tournaments and quickly gaining recognition for his aggressive, submission-oriented approach. He earned his black belt in 2019 at the age of 19 after an impressive run through the colored belt ranks, including multiple world titles.

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As a black belt, Roberto has competed in prestigious events like the IBJJF World Championships, ADCC Trials, Who’s Number One (WNO), multiple UFC Grappling Invitationals and the BJJ Stars and Third Coast Grappling promotions. He is known for taking on top-level opponents without hesitation and has developed a reputation for never backing down from a challenge, earning multiple titles & championships at the pro black belt level. 

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Roberto's style is characterized by fluid guard work, innovative transitions, funky unorthodox wrestling, and a constant hunt for submissions. Beyond his accomplishments on the mat, he is admired for his humility, positive mindset, and dedication to the growth of the sport.