VIPER BJJ | KELLER, TX
Viper Brazilian Jiu-Jitsu is Keller's premier martial arts academy! We are dedicated to providing professional training in Brazilian Jiu-Jitsu , Judo, MMA, Kickboxing, and women's only classes. Our experienced instructors are committed to helping you achieve your fitness and self-defense goals!
OUR FACILITY
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4,000 square foot main training area
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Dollamur mats
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Judo subfloors for maximum safety
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Climate-controlled training area
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2 showers | 3 bathrooms
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TV room for parents and siblings
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All training areas sanitized daily
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Open seating for parents & spectators
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Complimentary Wi-Fi
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Water fountains
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Easily accessible with plenty of parking
Welcome to Viper Brazilian Jiu-Jitsu: Keller’s home for professional martial arts training that builds confidence, character, & community. Since 2007, we have been helping kids, teens, & adults grow stronger both on and off the mats. Under the leadership of Roberto Kaelin - 4th Degree Black Belt in Brazilian Jiu-Jitsu - our team is dedicated to creating a safe, supportive environment where you can thrive.
Viper BJJ is the only school in Tarrant County offering both Brazilian Jiu-Jitsu & Judo belt rank promotions, combining two of the most respected martial arts for a complete self-defense & fitness experience!
With structured classes, small group lessons, and competition preparation, we make sure you will receive personal attention & see steady progress. Enjoy a modern, clean, family-friendly facility, complete with high-quality safety mats, climate control, wi-fi, a playroom for younger siblings, & comfortable seating for everyone.
For kids ages 4-14, our program is designed to build focus, respect, & self-discipline while keeping classes fun & engaging. Adults enjoy challenging, motivating sessions that improve strength, flexibility, and provide stress relief, all while learning practical techniques for real-world situations. Whether you’re here to build confidence, get in shape, or compete, we’ll help you achieve your goals!
At Viper Brazilian Jiu-Jitsu, we believe that training should inspire growth in every part of your life. Our ego-free, welcoming community is filled with students & families who support one another, celebrate success, and never stop learning. If you’re ready to see the difference the right martial arts school can make, come try three free classes and discover why so many Keller families trust Viper BJJ for martial arts, fitness, and lifelong confidence!
THE VIPER DIFFERENCE
BJJ & Judo Belt Rank
Promotions
Creative & Age-Appropriate Kids Classes
Champion Students
Encouraging & Welcoming Environment
OUR INSTRUCTORS
Our team brings unmatched experience to the mats. As the only gym in Tarrant County with multiple black belts in both Brazilian Jiu Jitsu & Judo, we're proud to offer a training environment where students of all ages can sharpen their skills, build confidence, and learn from the very best. Open in Keller, TX, since 2007, we have a massive student base from white to black belts to help you on your journey!
BJJ & Judo Black Belt
Roberto is the Owner & Head Professor of Viper BJJ. He moved to the US from Peru at 18 to train under world-famous BJJ instructor, Carlos Machado. Roberto earned his black belt in 2005 and opened Keller's first BJJ academy in 2007. He has trained hundreds of students who have improved their lives, earned black belts, opened their own schools, and become IBJJF & tournament champions!
BJJ Black Belt | 4th Degree | Under Carlos Machado
Judo Black Belt | 1st Degree | Under Vince Tamura
Karate Black Belt | 1st degree | Under Wayo Salas
ROBERTO KAELIN
TRACY D'ARCY
BJJ Black Belt | Judo Brown Belt
Tracy has been the office manager, kids class instructor, and women's only program instructor at the academy since its inception in 2007. Her philosophy has always been to run the school with honesty, integrity, and hard work. Tracy's passion is teaching BJJ and making the art easy for everyone to learn!
BJJ Black Belt | 3rd Degree | Under Roberto Kaelin
Judo Brown Belt | Under Dwan Stregles
