John Riel Reponte Casimero, famously known as “Quadro Alas”, is a Filipino professional boxer and YouTuber who has made history as a three-division world champion. Born on February 13, 1989, in Ormoc City, Leyte, Philippines, Casimero’s explosive fighting style, sharp counterpunching, and fierce knockout power have earned him recognition as one of the Philippines’ most exciting boxing talents.
Throughout his career, Casimero has held multiple world titles — including the IBF junior-flyweight, IBF flyweight, and WBO bantamweight championships. Despite controversies and setbacks, his name remains etched among the best Filipino fighters, standing alongside legends like Manny Pacquiao and Nonito Donaire.
His Salary and Net Worth
Johnriel Casimero’s net worth has been a topic of much discussion among boxing fans. As of 2025, his estimated net worth ranges between $2 million and $5 million. This wealth primarily comes from boxing purses, performance bonuses, sponsorships, and his growing YouTube channel, where he shares training content, lifestyle clips, and boxing insights.
During his active championship years, Casimero earned over $100,000 per fight, with some title defenses bringing in higher sums, especially in international bouts. His 2021 fight against Guillermo Rigondeaux, for example, was one of his biggest paydays.
Despite occasional controversies, Casimero continues to earn through exhibition matches, endorsements, and online ventures.
He has openly stated that he values fights that bring financial reward and global exposure, often saying he won’t enter the ring “for small money.” His strong fanbase in the Philippines and across Asia contributes significantly to his financial success.
Johnriel Casimero Age and Height
Johnriel Casimero was born on February 13, 1989, making him 36 years old in 2025. Starting his professional boxing career in 2007, he has been in the sport for nearly two decades, proving his endurance and adaptability through multiple weight divisions.
Height and Physical Stats
Casimero stands at 5 feet 4 inches (163 cm) tall and has a 64-inch reach. He is known for his compact yet powerful frame, allowing him to deliver explosive punches and swift body movement inside the ring. Over his career, he has competed from light-flyweight (108 lbs) to bantamweight (118 lbs), and even in catchweight bouts above 122 lbs later in his career.
Johnriel Casimero’s Wife or Girlfriend
Johnriel Casimero keeps his personal life relatively private. While he is known to have two daughters from a previous relationship, the boxer has not publicly confirmed a wife or current girlfriend.
Fans have occasionally speculated about his romantic life through social media posts, but Casimero himself prefers to focus on his career, family, and fans. He often shares moments with his children and loved ones during training camps and travels but avoids discussing personal relationships in interviews.
His commitment to family and boxing has been evident throughout his journey, showing that despite fame and controversy, he remains grounded.
His Latest Career News
Casimero’s career in recent years has seen both triumphs and challenges.
In 2023, he captured the WBO Global Super Bantamweight title after defeating Fillipus Nghitumbwa in the Philippines, proving that he could still perform at an elite level. However, his career took a difficult turn in 2024 after being suspended in Japan for missing weight in a bout against Saul Sanchez — a match he still won by knockout.
After serving a one-year suspension, Casimero returned to the ring in October 2025 to face Kyonosuke Kameda in Bishkek, Kyrgyzstan. Unfortunately, he lost via unanimous decision, marking a setback in his comeback effort. Analysts believe the defeat highlighted issues related to age, conditioning, and the challenges of fighting in higher weight divisions.
Despite this, Casimero remains determined to continue fighting, aiming for another title shot before retiring. His resilience and strong fan following ensure that every fight he takes still draws major attention in the boxing world.
Cboxing career, net worth, age, height, family, and biography are presented in a table
| Category | Details |
|---|---|
| Full Name | John Riel Reponte Casimero |
| Nickname / Ring Name | Quadro Alas (Tagalog for “Four Aces”) |
| Profession | Professional Boxer, YouTuber |
| Nationality | Filipino |
| Date of Birth | February 13, 1989 |
| Age (as of 2025) | 36 years old |
| Birthplace | Ormoc City, Leyte, Philippines |
| Height | 5 feet 4 inches (163 cm) |
| Reach | 64 inches (163 cm) |
| Weight Class | Competed in Light Flyweight (108 lbs), Flyweight (112 lbs), Bantamweight (118 lbs), and Super Bantamweight (122 lbs) |
| Stance | Orthodox |
| Religion | Christianity |
| College / Education | Not publicly disclosed |
| Turned Professional | 2007 (Age 18) |
| Professional Record (as of 2025) | 34 Wins – 5 Losses – 1 Draw (23 Wins by Knockout) |
| Highest Ranking | Former World Champion in 3 Weight Divisions (IBF, WBO titles) |
| Titles Held | IBF Junior Flyweight (2012–2013), IBF Flyweight (2016), WBO Bantamweight (2019–2022), WBO Global Super Bantamweight (2023) |
| Father’s Name | Ramon Casimero |
| Mother’s Name | Elma Reponte Casimero |
| Marital Status | Unmarried (Has two daughters) |
| Wife / Girlfriend | Not publicly confirmed |
| Children | Two daughters |
| Current Residence | Ormoc City, Leyte, Philippines |
| Net Worth (2025) | Estimated $2 million – $5 million |
| Primary Source of Income | Boxing purses, endorsements, YouTube channel, and promotions |
| YouTube Channel | John Riel Casimero Official |
| Fighting Style | Aggressive, counter-punching, high power output |
| Famous Victories | Zolani Tete (KO, 2019), Guillermo Rigondeaux (SD, 2021), Amnat Ruenroeng (KO, 2016) |
| Trainer | Nonito Donaire Sr. (formerly), others throughout career |
| Promoter (Past) | Manny Pacquiao Promotions, M.T.K. Global (partial affiliations) |
| Wiki Page | John Riel Casimero – Wikipedia |
| Social Media | Instagram: @johnrielcasimero |
| Signature Quote | “I don’t fight for small money.” |
His Achievements
Johnriel Casimero’s legacy in boxing is defined by his success across three weight divisions and his thrilling, aggressive fighting style.
World Titles and Championships
IBF Junior Flyweight Champion (2012–2013)
IBF Flyweight Champion (2016)
WBO Bantamweight Champion (2019–2022)
WBO Global Super Bantamweight Champion (2023)
Notable Wins
Zolani Tete (2019): Won the WBO Bantamweight title by third-round knockout.
Guillermo Rigondeaux (2021): Won via split decision in a closely contested bout.
Amnat Ruenroeng (2016): Captured the IBF Flyweight title with a stunning knockout victory.
Pedro Guevara (2012): Successfully defended the IBF Junior Flyweight title.
Fighting Record
As of 2025, Casimero’s record stands at 34 wins, 5 losses, and 1 draw, with 23 wins coming by knockout — an impressive 67% KO rate.
Awards and Recognition
Recognized as one of the few Filipino boxers to win titles in three separate weight divisions.
Known globally for his charismatic personality, bold trash-talking style, and fearless in-ring performance.
Maintains a popular YouTube channel showcasing his boxing lifestyle and training routines.
More related boxers’ profiles: Arsen Goulamirian
Robin Krasniqi‘s boxing career
FAQs about Johnriel Casimero
What is Johnriel Casimero’s nickname?
His nickname is “Quadro Alas,” which means “Four Aces” in Tagalog — a reference to his powerful, all-around fighting ability.
What is Johnriel Casimero’s net worth in 2025?
His net worth is estimated to be between $2 million and $5 million, primarily derived from boxing and endorsements.
How tall is Johnriel Casimero?
He is 5 feet 4 inches (163 cm) tall with a 64-inch reach.
Is Johnriel Casimero married?
No confirmed information about a wife or current girlfriend is available, though he has two daughters.
What is his boxing record?
As of 2025, Casimero holds 34 wins, 5 losses, and 1 draw, with 23 knockouts.
What was his latest fight?
His most recent fight took place in October 2025 against Kyonosuke Kameda, which he lost by unanimous decision.
What are his biggest achievements?
Winning three world titles in different weight classes — a rare feat among Filipino boxers — stands as his greatest accomplishment.
Conclusion
Johnriel Casimero’s career reflects both brilliance and resilience. From humble beginnings in Ormoc City to becoming a three-division world champion, he has experienced glory, setbacks, and redemption.
Though he faces challenges in 2025, his fighting spirit and strong Filipino fanbase ensure that Casimero’s story is far from over. Whether in the ring or through his growing digital presence, “Quadro Alas” remains one of the most electrifying personalities in modern boxing.
