Our Coaching Team
- Roxy RichardsonCo-Owner, Head Muay Thai Coach, SFG II Kettlebell Instructor, and Pn1 Nutrition Coach
Roxy Richardson, ACE CPT, Pn1, SFG II is the co-Owner of F5 and head Muay Thai coach. She has over 10,000 hours of hands on client training experience in fitness, Muay Thai, strength and conditioning and nutrition.
Roxy discovered her love for Muay Thai in 2002. She got certified as a personal trainer by the American Council on Exercise (ACE) in 2005 and dedicated her life to fitness and health. She is also an SFG Level 2 Kettlebell Inctructor and a Pn1 Nutrition Coach.
In Muay Thai Roxy held the IAMTF Women's Lightweight belt as an amateur from 2008-2009 and turned pro an undefeated champion. She was the fist female fighter in the United States to fight a 5 round full rules Muay Thai bout, when she made her pro debut in 2009. Check out Roxy in action here.
Roxy retired from competition in 2011 to focus on running her gym and coaching her students full time. She is also an avid blogger and writer. You can visit Roxy's Blog to learn more and read her writing.
- Nathan FosterMuay Thai Coach, Strength Coach, Personal Trainer and Muay Thai Fighter
Nathan was born and raised in Boise, Idaho. He never played sports growing up, but was a serious skateboarder. He relocated to Northern Virginia in 2010 where he found a love for strength training and became Personal Trainer. He's a NESTA & NCCPT Certified CPT, and NESTA Certified Muay Thai Fitness Instructor.
Nathan started training Muay Thai in 2012 under the guidance of Mark DeLuca at Yamasaki Academy. In that time he had an impressive 12 fights. He moved to Los Angeles in 2016 to coach at F5 and spend more time focusing on his training to become a professional fighter. He says he loves Muay Thai because it’s helped him get through the rough times in his life and has molded him into a better person.
- Oliver VaughnACSM Certified Personal Trainer, Strength and Conditioning Coach
Oliver grew up playing sports and has been in the weight room since he can remember. He grew up in Palmdale, California and graduated with a bachelor's in Political Science from UCLA.
As a coach Oliver specializes in strength and mobility, understanding the delicate balance and relationship between both. His coaching style is a blend of technical fine tuning and enthusiasm for the strength in everyone.
His favorite lift is the Kettlebell Get-Up and in his spare time he enjoys playing guitar and listening to hardcore and punk music.
- Alex KaruCertified Personal Trainer, SGF I, Strength and Conditioning Coach
For Alex, health and wellness have always been at the forefront. Growing up as a multi-sport athlete, he excelled in wrestling, competing at the collegiate level. He entered the fitness industry in 2012 in his native Jersey Shore area, mentoring with a renowned strength and kettlebell coach. Alex moved to Los Angeles in 2015 where he now continues to share his ultimate love of health, fitness, and lifestyle coaching. In 2017, Alex obtained his StrongFirst Level 1 certification, and he is currently studying through Precision Nutrition which will be complete in 2018.
His ultimate goal is to uncover the full potential of every student at F5 and to help them find true happiness through fitness and beyond!
- Anthony RistowMuay Thai Instructor and Former Amatuer Fighter
Anthony started training Muay Thai in 2005 under Roxy Richardson and Chris Reilly. Over the years he has continued to improve his skills with regular training and sparring.
Anthony helps the F5 fight team train for their fights and teaches class on Monday nights. You will also see him lifting heavy around the gym, as he walks the walk and maintains an active lifestyle, even with his busy schedule of writing, teaching and bartending.
- Eric AddisNASM Certified Personal Trainer and Corrective Exercise Specialist, SFG I, Strength and Conditioning Coach
Eric Addis has been a certified personal trainer since 2010. Introduced to kettlebells and hardstyle training principles early in his career Eric went on to attain his SFG1 kettlebell certification.
He has trained a broad range of clients including law enforcement, military, marathon runners, triathletes, and specialized populations like those recovering from or dealing with injuries.
- Charles BissetMuay Thai Coach and Professional Fighter
Charles grew up living off the land in a log cabin with no electricity in the mountains of Canada. He started training Muay Thai when he was twelve years old. He would travel with his mother four times a week to Pride Gym, a three-hour drive from his farm. Under the guidance of Pride Gym's Glen Klesniko, in trail BC Canada, Charles became a member of the Pride Gym fight team. He began fighting at fifteen years old against men double his age.
When he turned seventeen, Charles started working on some of the most significant cattle ranches in North America and became a certified farrier. After five and a half years living the cowboy life, Charles decided to move to Los Angeles to pursue fighting and acting. In America, Charles trained under his childhood hero for three years, Dutch kickboxing Legend Rob Kaman.
As an amateur fighter, Charles held the WKA world champion, the NAMTF North American champion and was the CMTA National Canadian champion.
Charles trains private clients at F5 Strength and Muay Thai and helps coach the group classes. His professional titles included ACB North American KB champion and Thailand’s Suwit stadium champion.
- Dustin ShawAlliance Jiu Jitsu Black Belt, Amateur Muay Thai Fighter, Co-Owner, Muay Thai Fight Coach
Dustin Shaw has been regularly competing in the grappling world for over 15 years and holds a black belt under Rubens Cobrinha Charles. He began his training in high school with wrestling and judo, then discovered Jiu Jitsu and was immediately hooked. Training initially with the Aloisio Silva team in the south bay, then later with Chute Boxe In Hollywood, followed by 10th Planet Jiu Jitsu and finally finding his home with Team Alliance and Cobrinha BJJ. He earned is black belt in 2017 and continues to develop his skills and training as a lifelong student of jitsu and martial arts.
His passion for Muay Thai developed when he met Roxy in 2009 and started training his striking seriously. He currently competes in both Muay Thai and BJJ. His eye for the fight game and his extensive athletic past make him a technical, motivating and challenging coach.
You'll find Dustin at F5 helping out with the Level 2 Muay Thai classes and the fight team.
- Tyler SchaefferStrength Programming Consultant, CSCS, SFG II, SFL I, USAW
Tyler Schaeffer is a Certified Strength and Conditioning Specialist (CSCS) by The NSCA, a USA Weightlifting (USAW) Level I coach, SFG Level II Certified Kettlebell instructor, and SFL Level 1 instructor.
Growing up in Las Vegas, NV, Tyler played football and baseball at the varsity level while working with several strength coaches and personal trainers in order to maximize his potential on the field. The work in the gym paid off with the opportunity to play football at the college level for Grinnell College in Iowa. After college Tyler decided to pursue his passion of fitness and athletics by helping others achieve their physical goals.
Tyler helped build F5 Strength Program from it's humble beginnings in 2011. Although he is retired from coaching and currently resides in Omaha, Nabraska where he owns a bar, he still competes in powerlifting and is a remote consultant for Function 5, helping with programming, staff training and athletic performance.
- Jon HoOffice Manager
- Kimura10th Degree Ninja Blackbelt, Pro Mouse Catcher, Motivational Meower, Mobility Expert, F5 Mascot
Kimura had a rough start to life growing up on the streets of Los Angeles. Her early years of hunting for food and fighting off other stray dogs and cats earned her street cred and gave her the supreme confidence she has today.
At only a few months of age Kimura was adopted by F5 owners Roxy and Dustin; it was then that she began her ninja training and became the rare feline athlete she is today. Her favorite activities include stalking, pouncing, tire jumps and agility training and of course stretching. Her Small Group Ninja Classes are held Fridays at midnight and are by invitation only.
For clients who are allergic to this beautiful creature we have a top-notch air filter in the gym and this lovely lady will stay in the back offices during your training session