About Silicon Valley BJJ
Silicon Valley BJJ is a diverse and welcoming Brazilian Jiu Jitsu academy in Sunnyvale, California. We build confidence, improve physical fitness, teach practical self-defense, and cultivate courage and inner peace through this transformative martial art.
Our Mission
Silicon Valley Brazilian Jiu Jitsu is committed to fostering the growth of BJJ within our local community. Our mission is to impart essential self-defense skills, promote personal development, and enhance your Jiu Jitsu techniques and overall well-being through high-quality martial arts instruction in a welcoming team environment. We prioritize community and welcome families to train together, creating an enjoyable experience learning BJJ.
Guided by Diego Herzog, a fourth-degree black belt and world champion competitor, his instruction ensures a top-notch learning experience. Whether your goals involve competition, refining your Jiu Jitsu skills, self-defense, or overall fitness improvement, we invite you to be a part of our community. Our classes cater to kids, teens, and adults at various skill levels, from beginners to advanced practitioners. Join us on this journey!
Our Core Values
These principles guide everything we do at Silicon Valley BJJ
Respect
We foster a culture of mutual respect, where every student is valued regardless of rank or experience.
Growth
We believe in continuous improvement, both on and off the mats, helping each student reach their full potential.
Community
We are more than a gym - we are a family that supports, encourages, and celebrates each other.
Excellence
We maintain the highest standards in our instruction, facility, and training environment.
Meet Our Instructors
Learn from world-class instructors dedicated to your success
Diego Herzog
Professor
Black Belt 5th Degree
Professor Diego Herzog is the founder and head instructor of Silicon Valley BJJ. With over 25 years of teaching experience and a black belt under renowned master Crolin Gracie, Diego is passionate about sharing the art of Brazilian Jiu Jitsu with students of all ages and skill levels. His teaching style emphasizes technique, patience, and building a strong foundation.
"BJJ is for everyone. My goal is to create an environment where students feel safe to learn without worrying about getting hurt, so they can show up to work or school the next day, growing both on and off the mats. Jiu Jitsu has the power to transform lives, and I'm honored to be part of that journey for each student."
Specialties
Achievements
- Black Belt under Crolin Gracie
- IBJJF World Champion
- 25 years of teaching experience
- MMA Professional Fighter
- Bacharel in Physical Education and Sports
Jeremy Cox
Professor
Black Belt
Jeremy Cox is a Brazilian Jiu-Jitsu black belt who has trained under Professor Diego Herzog since white belt. With a strong background as a competitive wrestler in his teenage years, Jeremy brings a well-rounded grappling style to the mats, blending effective stand-up with technical guard work. Jeremy thrives on clean, efficient technique and enjoys all phases of the game—from standing exchanges to guard. He has been teaching since blue belt and is passionate about sharing techniques that work in live training and competition. A frequent competitor, Jeremy has earned numerous medals and continues to refine his game, always eager to help his teammates improve and grow.
Specialties
Achievements
- Black Belt
- 7 years teaching experience
- Multi-time competition medalist
- Wrestling Coach
Jenny
Professor
Black Belt
Jenny is a Brazilian Jiu-Jitsu black belt who has trained under Professor Diego Herzog since white belt. She is also a certified personal trainer and a BJJ professor at Morgan Hill BJJ, where she runs the kids program. Passionate about fitness and health, Jenny integrates strength, conditioning, and movement into her jiu-jitsu instruction. She is an active competitor and recently earned Gold at Master Worlds, and she is committed to helping students grow both on and off the mats.
Specialties
Achievements
- Black Belt
- Certified Personal Trainer
- BJJ Professor at Morgan Hill BJJ
Lauren Cox
Coach
Brown Belt
Lauren Cox is a Brazilian Jiu-Jitsu brown belt who has been training since 2016 under Professor Diego Herzog. She has competed at every belt level, earning multiple victories throughout her journey. Lauren is passionate about jiu-jitsu and helping others grow both on and off the mats. She believes jiu-jitsu teaches lessons that extend far beyond technique, shaping how we show up in all areas of life. Lauren is excited to share her experience and support new students in reaching their goals at Silicon Valley BJJ.
Specialties
Achievements
- Brown Belt
- IBJJF Master World Medalist
- 5 years teaching experience
- Bachelors in Health Science
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Experience the difference that expert instruction and a supportive community can make
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