Head Instructor / Black Belt
Mitsuyo Maeda > Carlos Gracie Sr. > Helio Gracie > Carlos Gracie Junior > Ralph Gracie > Adam Dunkel
Adam Dunkel started training Jiu-Jitsu in 2005 and is a Ralph Gracie black belt. He started teaching kid’s in 2006, adults in 2008, and has helped to grow and build several gyms in the Bay Area. Adam and Stephanie have two daughters together that both train in the kid’s Jiu-Jitsu programs. Adam aims to build confident and determined kids through the hard work and grit Jiu Jitsu requires to become a black belt.
As a competitor, he was the 5x U.S. Open Champion gold medalist, 2x brown belt, 1x purple belt and 2x blue belt, 2009 adult blue belt IBJJF Pan American Championship gold medalist, Bronze medalist in the 2013 IBJJF Nogi World Championships adult brown belt division. Adam retired from fighting with a record of 2-0 in MMA and 3-0 in Muay Thai Kickboxing. Adam considers himself a student of martial arts and continues to seek knowledge and experience training all over the US. He is an innovative coach and technical genius who enjoys teaching Jiu Jitsu to kids and adults alike. His simple, effective teaching style makes it easy for newcomers to learn the basic moves quickly and easily.
To schedule a one-on-one lesson, semi-private, group lesson, or self-defense seminar you can contact Adam at (925) 470-7754
Head Instructor / Black Belt 1st°
Mitsuyo Maeda > Carlos Gracie Sr. > Robson Gracie > Cesar Gracie > Stephanie Moon
Stephanie Moon started training Jiu-Jitsu in 1996 and is a Gracie Fighter black belt. Over the years, she has tried out various forms of exercise before making martial arts a cornerstone of her career. She is a great role model for kids, especially girls. She is the head instructor of our 4-6 year old Program.
Stephanie has competed in international competitions, coached a Muay Thai Kickboxing team and provided training for many women’s Jiu Jitsu courses. She brings inspiration and experience to the mat, inspiring you to want to work out regularly and reach your fitness goals. As a dedicated women’s teacher, she is adept at helping single women, married women without kids, mom, and even grandmothers get the most out of Jiu Jitsu and Muay Thai Kickboxing classes.
Stephanie retired from fighting with a combined record of 20-4. This includes boxing, Muay Thai Kickboxing, and MMA. She continues to compete in Brazilian Jiu-Jitsu and placed third in the 2018 IBJJF Masters World Championship black belt division.
Stephanie regularly teaches womens only self-defense courses all over the Bay Area and enjoys empowering women through Jiu-Jitsu. To schedule a one-on-one lesson, semi-private, group lesson, or self-defense seminar you can contact Stephanie at (925) 956-9508
Head Instructor / Black Belt
Mitsuyo Maeda > Carlos Gracie Sr. > Reylson Gracie > Paulo Maurício Strauch > Caio Terra > Mike Mitchell > Daniel Ripper
Daniel Ripper started training Jiu-Jitsu in 2009 and is a Brazilian Jiu Jitsu Black Belt. He is a young, part-time instructor who inspires students with his energy and enthusiasm. Daniel has also won various medals competing at the IBJJF Pan American Championships and the IBJJF Masters World Championships.
As both a full-time real estate broker and Jiu Jitsu enthusiast, Daniel clearly shows that it is possible to balance work with exercise. He can help you learn how to get fit and stay fit while balancing a demanding career. Daniel teaches both kids and adults alongside with his wife, Rocio, and his daughter, Hannah.
Assistant Instructor / Brown Belt
Mitsuyo Maeda > Carlos Gracie Sr. > Robson Gracie > Cesar Gracie > Muny Munoz
Muny Munoz has been training Jiu Jitsu since 2009 and is a Brazilian Jiu Jitsu Brown Belt. He is a 3-time IBJJF Pan American champion, won various medals in major tournaments such as IBJJF Masters Worlds, and Open Championships.
Started out in boxing then turned to MMA until he found his passion in jiu jitsu.
Muny aims to promote and inspire people through jiu jitsu and how it changes lives. Muny’s enthusiasm and love for the sport bleed through his interaction with students and teammates by making it fun, safe and at the same time paying attention to detail with techniques taught. Coach Muny trains at Lamorinda Jiu-Jitsu along with three of his kids.
Assistant Instructor / Brown Belt
Mitsuyo Maeda > Carlos Gracie > Helio Gracie > Royler Gracie > Saulo Ribeiro > John J. Janero > Mozart Gutierrez
Mozart Guiterrez started practicing Jiu Jitsu in 2008 and is a Brazilian Jiu Jitsu Brown Belt. He started doing Jiu Jitsu in 2008 solely to lose weight. Within the first six months Mozart lost 80 pounds and fell in love with the sport from then on. He’s won numerous IBJJF titles and won the Silver Medal at Masters worlds. His favorite part of BJJ is the camaraderie built with training partners and how it strengthens your mindset in life. Mozart believes anyone can learn Jiu Jitsu and likes seeing his training partners applying their jiu-jitsu mindset outside of the mat.
Outside of Jiu Jitsu Mozart has been working in finance for the past 12 years and is also a Licensed CPA.
Kid’s Assistant Instructor / Orange Belt 4th°
Mitsuyo Maeda > Carlos Gracie Sr. > Reylson Gracie > Paulo Maurício Strauch > Caio Terra > Mike Mitchell > Daniel Ripper > Hannah Ripper
Hannah Ripper has been training Jiu Jitsu since 2010 and is a Brazilian Jiu Jitsu Orange Belt. Growing up in a household of active family members, it was natural for Hannah to transition into the sport of Jiu Jitsu. Training since the age of 5, she instantly bonded with the sport and has never looked back. She trains 4 – 6 days a week and actively competes in local and international tournaments. Hannah trains under the tutelage of her dad, Daniel Ripper.
Hannah’s goal is to be a black belt World Champion and spread the love of Jiu Jitsu.
Kid’s Assistant Instructor / Blue Belt 1st°
Mitsuyo Maeda > Carlos Gracie Sr. > Robson Gracie > Cesar Gracie > Stephanie Moon / Adam Dunkel
Erin Prince has been training since 2013 and is a Brazilian Jiu Jitsu Blue Belt. Outside of Jiu Jitsu Erin is a Neuromuscular Therapist, Health Educator, and student. Jiu Jitsu has had a great positive impact on her life. Having the opportunity to work with the youth is something she truly enjoys and takes pride in. Erin aims to inspire everyone on the mats to work hard, be respectful of one another, have fun and be safe. She believes that for anyone and especially for women, there is nothing that compares to the many benefits of training Jiu Jitsu for fitness and self-defense.