Mad Tiger Academy | Academy
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Welcome to the Mad Tiger Academy!

We are one of Oahu’s premier martial arts facilities. With programs for men, women, children specializing in Gracie Jiu Jitsu we invite you to come check it out and see all we have to offer. Whether you have extensive experience or never been on the mat in your life, you will find a family friendly, professional academy ready to help you achieve your fitness goals. In addition to Gracie Jiu Jitsu we also offer classes in authentic Muay Thai!

We look forward to meeting you.

Gracie Jiu Jitsu
Self Defense
Sport Jiu Jitsu

Eric 'Mad Tiger' Goo

Head Instructor/Owner

Eric is a Gracie Jiu Jitsu Black Belt under Royler Gracie BB Kai “Borg” Garcia. Eric has been training in Brazilian Jiu Jitsu for nearly twenty years and holds numerous state and local titles including first place in the 2007 No Gi world championships. Eric is the owner and founder of the Mad Tiger Academy. In addition to Brazilian Jiu Jitsu Eric trains in cross fit and Yoga!


Kru Alexander “Alex” Pura

Muay Thai & Kids Kickboxing Instructor

Kru Alexander “Alex” Pura started his quest to study and train Martial Arts in Hawaii in 1989 when he was introduced to Wing Chun Gung Fu under the teaching of Sifu Rodney “Kimo” Wong. In 1991 Alex was introduced to Muay Thai kickboxing and was intrigued to learn this dynamic and deadly Martial Art. He started studying and training Muay Thai kickboxing from Laotian Muay Thai Champion, Master Kham Nakradam.


Travis Fujikane

Assistant Instructor

Travis Fujikane is a Brown Belt in Brazilian Jiu Jitsu and has been training with Mad Tiger Academy since it’s beginnings in Mililani Town Centers Recreational Facilities. Travis is a Mililani native, therefore it is no surprise that the Academy is like his second home. You can often find him training and providing support to his team mates any day of the week.


Chantel Foster

Insanity & Boot Camp Instructor

Chantel Foster has over 20 years of mentorship and fitness experience and knowledge. Chantel is an incredibly positive, energetic and genuinely passionate instructor with an Aerobics and Fitness Association of America (AFAA) certification and INSANITY license. Chantel believes when we start to take care of our bodies, we’ll be able to manage the challenging times in our lives in a positive way. “Turn your can’t into CAN, and your dreams into goals.” To learn more about Coach Chan go to


Jeremy Nitta

Assistant Instructor

Jeremy Nitta is a Purple Belt in Brazilian Jiu Jitsu and one of the Academy's most consistent competitors. When Jeremy can be found at the Academy most nights of the week. When he isn't training or traveling to train or compete, Jeremy can be found at Cycle city! In addition to Brazilian Jiu Jitsu Jeremy has trained at competed in Muay Thai


Guilherme Alves

Yoga Instructor

Born and raised in Curitiba, PR, Brazil, Guilherme Alves studied under Professor DeRose and graduated as a DeRose Method Instructor and has been teaching since 2002. Gui introduced the DeRose Method to Hawaii in 2006 and opened his own school in April 2012 in the heart of downtown.He is very passionate about educating people on how to improve their physical, emotional and mental conditioning through simple, yet very efficient techniques and concepts that the DeRose Method provides.

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