Leon Jiu-Jitsu Fullerton
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Leon Jiu-Jitsu Fullerton
We at Ethos Jiu Jitsu Fullerton, pride ourselves in being your home for Jiu Jitsu, Self-Defense, and anti-bullying. We believe Jiu-Jitsu is for everyone! We offer specialized programs for the entire family: Ethos Kids Classes (ages 5-16), as well as Adult Classes for Beginners and Advanced practitioners.

We pride ourselves on offering a successful Ethos kids Anti-Bullying Self-Defense Program, as well as using Jiu-Jitsu as a platform to elevate our youths into strong and disciplined young individuals. Our Ethos Adult Classes are centered on mastering yourself through the development of fundamental skills and providing all comers with an exceptional learning environment.
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Jiu-Jitsu is a great way to live a healthy lifestyle while having fun. Our team is dedicated to your success by putting our students first above all. We provide a positive learning environment for all ages, by helping our students become champions not only in Jiu-Jitsu, but most importantly in life!
Reviews (18)
Genevieve C.
Genevieve C.
Aug 20, 2021
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Here we are two+ years( +\ - a few) later and just now writing this.

Well worth the wait though

Ok, Rewinding back to 2.5 years.........It started with me telling my husband that he needed to find hobby. That hobby turned into a lifestyle In less than a month. He was waking up at 6 am 5-6 days a week to "roll" right before work. I swear, he wasn't obsessed(winking face) My husband explained to me multiple times the benefits to this new lifestyle and decided to enroll 2 of 4 of our kids. Our two older kids weren't as stoked as their dad.They thought it was just another activity
Chase C.
Chase C.
Mar 30, 2021
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Great people all around. every one is respectful while sparring and focus on the technical aspects of jiu jitsu instead of using brute strength to win. perfect place for newcomers and seasoned practitioners alike
Elbert C.
Elbert C.
Jan 15, 2020
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I've been interested into training Brasilian Jiu-jitsu for awhile now and Im so happy to have found such a welcoming and encouraging academy. Head professors Ron and Jerry are very thorough and detailed with their instructions with each technique. This emphasis to details greatly help new students like me to gain confidence in properly executing the moves in drills. Everything we drill then is practiced with open mat to finish the class which for me was the fun about this martial art, figuring out ways to apply our practice in the live sparring. Whether its your first time trying a combat
Tom S.
Tom S.
Dec 28, 2019
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Great place to train. Clean and modern. Profs Jerry and Ron are super welcoming. Totally recommend this place to train. Open mats are always great rolls.
Ralph C.
Ralph C.
Dec 03, 2019
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Great BJJ training and teammates! Everyone is welcoming and friendly. Professors Jerry and Ron are outstanding teachers and are motivating and pay attention to everyone. It's a smaller/family oriented BJJ school, and that's perfect for me, give them a try and call 'em up, you won't be disappointed!
Miguel O.
Miguel O.
Jul 24, 2019
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Awesome Bjj school, professors Ron and Jerry are super knowledgeable and patient with there students. Come down and check it out for yourself, I'm sure you will think the same as I do.
Liz K.
Liz K.
Jul 15, 2019
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Great gym. Of course there are more men than girls, but there are enough of us to train if that makes you more comfortable. The mats are new and clean, very spacious so you don't bump into each other; the people are friendly and of all ages. Morning and evening classes, open mats on Friday and Saturday, gi and no gi. Children and youth classes if u want to make it a family thing. Great teachers who are also great people. And also international athletes offer seminars for members. Very welcoming environment. Free trial available.
Mike L.
Mike L.
Dec 08, 2018
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So it's been a year now training at Ethos. Without fail this school has satisfied my needs to further develop my jiujitsu with a great group of people. I had just attained my fourth stripe on my white belt and feel like I'm getting better training here. Both Ron and Jerry are outstanding instructors who support everyone's jiujitsu journey whether you're here to lose weight, learn self-defense, or compete. Best jiujitsu school in Orange County!!!
Kimberly A.
Kimberly A.
Feb 17, 2018
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Such a great environment to train BJJ. Everyone here is so supportive and encouraging which makes for a great learning environment. They have 2 instructors that have very different styles which allows for diversity when training your art. They offer a free class and have multiple signup options. Come check them out... young or old, white or black belt. You wont be disappointed in your experience.
Giorgioni C.
Giorgioni C.
Jun 07, 2017
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This place is absolutely amazing. Clean mats, big school and 2 great instructors coming from a bullet proof lineage. Hard training is what they are all about. Love them
Art G.
Art G.
May 24, 2017
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Great training, coaches are patient and well versed in the Art of teaching sound Jui jitsu. you feel welcomed the minute you walk in. I definitely recommend you pay them a visit because you won't regret it if you do. Ask for Ron or Jerry.
C. C.
C. C.
May 24, 2017
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My 2 kids (11 & 13) started with Ethos on day 2 of their opening. They had never had previous training prior to this. Coming from an athletic crossfit background, my kids transitioned quickly and fell in love with this sport. The coaches Ron & Jerry (brown belts birthed out of Leon JiuJitsu) are very patient, and make each student feel welcomed and a part of the team. In just a few short months, they've had opportunities to roll with different belts and learn so many vital self defense skills.
I began a month ago & truly appreciate the patience and the passion these coaches
Raquel T.
Raquel T.
Mar 13, 2017
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Just started at Ethose and LOVE IT!!! You get a great workout without even feeling like your working out! Which is a win for me! The people are awesome and Jerry and Ron are great, patient teachers!

Just know going into this... you will becomes obsessed
Vickie M.
Vickie M.
Feb 17, 2017
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This is a great studio. The coaches are great. They really take the time to make sure the students are learning the different moves.
Oscar O.
Oscar O.
Dec 11, 2016
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Great people there. Highly recommended to anyone looking into getting into a martial art or even if you just want to get into shape. Ethos is the place for you.
Manuel E.
Manuel E.
Dec 09, 2016
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This is an amazing place to train! The instruction led by Ron and Jerry is the best in Fullerton. They are committed, compassionate, and patient and take into account everyone's learning styles. I would highly recommend this academy if you are looking to start the journey!
Brian M.
Brian M.
Dec 01, 2016
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What an awesome place. I was a little anxious about signing up but the instructors helped me feel welcomed. Overall great experience.
Sonia L.
Sonia L.
Nov 29, 2016
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My son loves the kids class! Great opportunity for him to learn Jiu Jitsu and hang out with other kids. Awesome teachers who take time throughout the group class for each kid and make sure they're picking up the techniques!