About Us

Who We are

The Best Jiu Jitsu Academy In Beaverton

Train with the best Jiu Jitsu instructors in the area, committed to creating a stable, family-friendly environment where you can achieve your personal goals and join a supportive, diverse community. Whether you want to compete, get in shape, connect with like-minded people, or enhance your everyday life, we’ll guide you to progress faster than you ever imagined — all while enjoying the journey on the mats!

The benefits of Jiu Jitsu are truly transformative. From boosting confidence and self-esteem to cultivating discipline and empowerment, our Kids and Adult Jiu Jitsu programs help you develop not only physical skills but also mental resilience. After just a few classes, you’ll begin to see improvements in your mind, body, and spirit.

Five Rings Jiu Jitsu Instructors

Professor Tom Oberhue

Black Belt | 5th Degree

Professor Tom Oberhue

Black Belt | 5th Degree

With over 40 years of martial arts training and more than 15 years as the Head Coach and Owner of Five Rings Jiu Jitsu, I am driven by a clear purpose: to cultivate a community where individuals come together to learn, grow, and support one another through the art of jiu jitsu. My journey began in 1984, and my transition to Brazilian Jiu Jitsu in 1993 opened the door to countless friendships and connections within this incredible tribe.
Five Rings Jiu Jitsu is not just an academy; it’s a vibrant community focused on personal development and mutual support. I aim to create a positive and challenging environment in every class, helping students develop their skills while fostering camaraderie. I feel fortunate to share my passion for Jiu-Jitsu and to witness the amazing transformations that happen on and off the mats.
As a proud member of the Five Rings family, I look forward to empowering our students and contributing to a beautiful culture of resilience, strength, and support. Jiu jitsu may be challenging, but with a greenhouse of support, our journeys become so much richer. Let’s train together!

Professor Dan VanDetta

Black Belt | 2nd Degree

Professor Dan VanDetta

Black Belt | 2nd Degree

I started my Jiu-Jitsu journey at Five Rings in 2010, and it has been an incredible adventure ever since! Earning my black belt from Professor Tom Oberhue in 2019 marked a significant milestone in my continuous pursuit of self-improvement. As the head coach for the Youth and Extra-Curricular Programs, as well as overseeing Sales and Marketing for the Youth program, I find joy in nurturing the next generation of Jiu-Jitsu practitioners. Watching students grow and thrive fills me with gratitude and excitement!

Professor Kevin Dadik

Black Belt | 2nd Degree

Professor Kevin Dadik

Black Belt | 2nd Degree

My jiu jitsu journey began in California in 2007, and I earned my black belt in 2016 under Professor Tom Oberhue. I love exploring the intricate details of Jiu-Jitsu and staying updated on the latest techniques. I’ve had the pleasure of coaching students at all levels, from kids to advanced practitioners, and I currently run the adult no-gi program. Every class is an opportunity for us to learn together, and I can’t wait to see you on the mats!

Professor Louisa Bruschi-Dadik

Black Belt

Professor Louisa Bruschi-Dadik

Black Belt

I started my jiu jitsu journey in 2009, initially as a college elective, and I was hooked from the very first class! My passion for the sport has only grown since then, and these days, I’m particularly focused on pressure passing, wrestling, and the K guard.
As a coach, I find immense joy in helping students make new connections in their game and witnessing their growth, especially during tournament preparation. There’s nothing quite like seeing someone overcome challenges and thrive on the mats. I’m excited to share this journey with you all and help you reach your personal best in Jiu-Jitsu!

Professor Jared Chiarchiaro

Black Belt

Professor Jared Chiarchiaro

Black Belt

Since I started training in 2014, I’ve cherished the camaraderie and connection that jiu jitsu fosters. My coaching philosophy emphasizes mastering the basics and focusing on the details that make techniques effective. I truly believe that Jiu-Jitsu brings people together, and I love that my brother and son train alongside me at Five Rings. Let’s learn and grow together on this amazing journey!

Professor Liubomir Chiriac

Black Belt

Professor Liubomir Chiriac

Black Belt

I’ve been training in Jiu-Jitsu since 2007, and I feel grateful for the foundations I built under Roger Machado. I believe in keeping an open mind while learning and value the mix of traditional and modern techniques. My coaching approach encourages students to explore different ideas, helping them find what resonates with their personal style. I look forward to continuing this journey of growth together!

Professor Tyler Colson

Black Belt

Professor Tyler Colson

Black Belt

I began my Jiu-Jitsu adventure in 2008, reconnecting with a friend who was transitioning out of the military. My background in various sports makes jiu jitsu’s intricate yet simple nature captivating to me. As a coach, my goal is to guide you on your unique journey and help you achieve your personal goals. I can’t wait to support you on the mats!

Professor Nick Galyon

Black Belt

Professor Nick Galyon

Black Belt

Training in Jiu-Jitsu for the past nine years has been an incredible journey filled with creativity and steady progress. As a coach, I focus on teaching the basics effectively while helping each student discover what works best for them. I’m excited to share this journey with all of you and see how we can grow together!

Professor Paul Lively

Black Belt

Professor Paul Lively

Black Belt

I started my journey at Five Rings in January 2016, primarily training with the morning crew. The best part of my training experience has been connecting with great teammates and friends. I believe that consistency is key to mastering new skills, and I’m excited to continue this journey with all of you!

Coach Andy Isaacson

I’ve been training in Brazilian Jiu Jitsu since 2004, and my journey has taken me to various places, enriching my experience with diverse styles and techniques. I view jiu jitsu as a form of embodied meditation, a way to focus on the present moment. I love breaking down techniques to help learners understand the “why” behind each movement. Outside of training, I enjoy parenting, playing guitar, and exploring AI in healthcare. Let’s grow together in the Five Rings community!

Coach Ryan Kivett

I started my martial arts journey in Taekwondo before discovering Jiu-Jitsu in 2015. I quickly fell in love with Jiu-Jitsu and began coaching kids in 2019. Now, I’m thrilled to coach the adult fundamentals class as I continue my journey as a brown belt. I’m passionate about sharing this art and can’t wait to see you in class!

Coach Matt Krier

Jiu jitsu has brought me immense joy through the challenges of learning new skills and building friendships. As a coach, I love seeing students put their skills into practice and thrive. I encourage everyone to give coaching a try—it deepens your understanding of techniques! Outside of Jiu-Jitsu, I enjoy running, spending time with dogs, football, and floating the river. Let’s train and grow together!

Coach Benji Hildebrand

I’m a Purple Belt under Professor Tom and Professor Dan. I’ve been at Five Rings for about 3 years during which time I’ve won 2 Masters World titles. I do Jiu-Jitsu because it demands that I keep working toward the best version of myself. My Jiu-Jitsu game relies heavily on wrestling, fitness / conditioning and preparation. As a professional trainer/strength coach for the last 24 years, I’ve worked with everyone from 3 yr olds to professional athletes. So if you train at Five Rings, regardless of age or skill, I got you! Also, I’m the point person for all adult marketing and sales at Five Rings.

Coach Mike Lennon

I joined the Jiu-Jitsu community about 9-10 years ago, inspired by watching my older son in kids’ classes. I love how Jiu-Jitsu presents an ever-evolving puzzle that keeps me engaged and coming back for more. Through coaching, I hope to share the excitement and encouragement that Jiu-Jitsu brings. As a stay-at-home dad for 17 years, my family is my passion outside the mats. Let’s train and explore this journey together!

Coach Riley Little

Hi there! I’ve been practicing Jiu-Jitsu since 2011, and I love so many aspects of it. I coach the youth classes, and there’s nothing more rewarding than witnessing that moment when a student masters a technique. Outside of Jiu-Jitsu, I enjoy importing music from France, playing video games, and writing quirky novels. Let’s enjoy this journey together!

Coach Kyle Williams

I started my Jiu-Jitsu journey at the end of 2020, and the friendship and accountability at Five Rings have kept me coming back. As an assistant coach, I’m excited to learn while helping others grow. Outside of training, you might find me on my motorcycle or camping in the Tillamook State Forest. Let’s support each other in our journeys!

About Us

Who We are

The Best Jiu Jitsu Academy In Beaverton

Five Rings Jiu Jitsu Instructors

Professor Tom Oberhue

Professor Dan VanDetta

Professor Kevin Dadik

Professor Louisa Bruschi-Dadik

Professor Jared Chiarchiaro

Professor Liubomir Chiriac

Professor Tyler Colson

Professor Nick Galyon

Professor Paul Lively

Coach Andy Isaacson

Coach Ryan Kivett

Coach Matt Krier

Coach Benji Hildebrand

Coach Mike Lennon

Coach Riley Little

Coach Kyle Williams

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