Who Is John Riel Casimero? Age, Biography and Wiki
John Riel Casimero, born on February 13, 1989, in Ormoc City, Leyte, is a professional Filipino boxer known for his electrifying style and impressive achievements in the ring. By 2025, Casimero is 36 years old and has made a significant impact in the boxing world, gaining recognition not just for his prowess as a fighter but also for his larger-than-life personality. Over the years, he has captured multiple world titles across different weight classes, carving a niche for himself as one of the sport's prominent figures.
| Occupation | YouTubers |
|---|---|
| Date of Birth | February 13, 1989 |
| Age | 36 Years |
| Birth Place | N/A |
| Horoscope | Aquarius |
| Country |
Popularity
John Riel Casimero's Popularity over time
Height, Weight & Measurements
Standing at approximately 5 feet 6 inches (168 cm) tall, John Riel Casimero has an athletic build ideal for the boxing lightweight category. His weight typically hovers around 112 to 118 pounds (50.8 to 53.5 kg), depending on the weight class he is competing in. Known for his powerful punches and quick footwork, Casimero maintains his impressive physique through rigorous training and disciplined diet regimens.
John Riel Reponte Casimero (born February 13, 1989) is a Filipino professional boxer and YouTuber.
He has held world championships in three weight classes including the International Boxing Federation (IBF) junior-flyweight title from 2012 to 2013, the IBF flyweight title in 2016, and the World Boxing Organization (WBO) bantamweight title from 2019 to 2022. Quadro Alas is Tagalog for four of a kind when translated, his moniker means Four Aces.
Family, Dating & Relationship Status
As of 2025, John Riel Casimero has maintained a relatively private personal life. While specifics about his immediate family are limited, it's known that he hails from a supportive family background, which has played a crucial role in his boxing career. Regarding his romantic life, Casimero has been linked with various personalities; however, he has managed to keep his dating life under wraps. As of now, there have been no confirmed reports about a girlfriend or romantic partner, allowing him to focus on his burgeoning career.
It was announced on June 19, 2021, that WBC champion Nonito Donaire would replace Rigondeaux, but when the fight between Casimero and Donaire fell apart over insults directed at Donaire's wife, Rigondeaux stepped back in to fight Casimero as had been originally planned.
Casimero faced two-time Olympic gold medalist Guillermo Rigondeaux on August 14, 2021. In a low-key affair that saw the CompuBox record broken for fewest combined landed punches in a 12-round fight, Casimero pressured his opponent all night, fighting on the front foot and throwing more punches than Rigondeaux, who was reluctant to engage.
Casimero was rewarded with a split decision victory, with scores of 117–111 and 116–112 in his favor, and 115–113 in favor of Rigondeaux.
Net Worth and Salary
John Riel Casimero’s net worth in 2025 is estimated to be around $3 million. His wealth primarily stems from his boxing contracts, winnings from fights, endorsements, and sponsorship deals. A seasoned boxer, Casimero's earnings can fluctuate significantly depending on his performance in the ring and the pay-per-view draws of his matches. With his fame rising, he continues to attract lucrative opportunities that contribute to his overall financial success.
Career, Business and Investments
John Riel Casimero's boxing career began in 2009, and he has since built an impressive resume, including several championship titles. He has fought some of the best in the business and continues to be a formidable opponent in the ring. Beyond boxing, Casimero has ventured into business, investing in local enterprises that resonate with his brand and values. As a public figure, he is also keen on promoting sports, particularly boxing, in the Philippines, inspiring young athletes to pursue their dreams.
On August 23, 2008, just a year after turning pro, Casimero defeated Rodel Quilaton for the then vacant Philippines Boxing Federeration (PBF) flyweight title, winning a unanimous decision (UD) through ten rounds.
Following the bout, Casimero moved down one division, to light flyweight, defeating Liempetch Sor Veerapol of Thailand by technical knockout (TKO) in the fifth round to claim the then vacant WBO Asia Pacific Light Flyweight title.
Casimero successfully defended that title two bouts later against Ardin Diale, until he got the biggest break of his career.
Social Network
Casimero is active on several social media platforms, including Instagram and Twitter, where he engages with fans and shares insights into his life and career. His follower count continues to grow as he shares training tips, fight updates, and personal anecdotes that resonate with his fan base. Social media serves as a vital tool for him to maintain his brand presence and connect with supporters worldwide.
In his post-fight interview, Casimero criticized his opponent's extremely passive gameplan, saying "I'm focused on [the] knockout, but Rigondeaux always runs. Rigondeaux just always runs.
No fighting." He continued by reaffirming that it is his intention to unify the bantamweight division, targeting the division's other titleholders, Nonito Donaire and Naoya Inoue. Casimero concluded his interview by issuing the middle finger to Inoue.
Education
While details about John Riel Casimero's formal education are sparse, it is evident that he possesses considerable wisdom from his life experiences both inside and outside the boxing ring. His teachings often revolve around discipline, resilience, and the importance of hard work, values that he imparted through informal community workshops and mentorship programs for aspiring young athletes.
