Meet Our Instructors

Dedicated to helping you train smarter, stronger, and together as a team.

Colin Oyama

Founder & Head Coach

Colin Oyama brings more than three decades of elite MMA coaching to Southern California. He has built a reputation for developing well‑rounded fighters through attention to detail, discipline, and a strong team‑oriented culture. Under his guidance, athletes have succeeded across major promotions, including the UFC, Bellator, PRIDE FC, King of the Cage, K-1, and more. Colin’s emphasis on technique, mental toughness, and community has shaped countless athletes and helped make Team Oyama a premier destination for MMA training.

Brazilian Jiu-Jitsu and Wrestling Instructors

Ron Turner

10th Planet Jiu-Jitsu

Professor Ron Turner began his Jiu-Jitsu journey over 30 years ago, earning a Black Belt in traditional Brazilian Jiu-Jitsu in 2006 and being promoted to the rank of Black Belt by Professor Eddie Bravo in the 10th Planet System In 2015. In 2024, Professor Bravo awarded Coach Turner with his 3rd degree Black Belt. Throughout his career, Ron has fought professionally, experiencing the highs and lows of Mixed Martial Arts (MMA).

Kerry Phan

10th Planet Jiu-Jitsu

Professor Kerry “Scary” Phan is a dedicated Brazilian jiu‑jitsu coach with deep roots in the 10th Planet Jiu‑Jitsu system, helping students sharpen their no‑gi grappling and ground game. As an instructor at Team Oyama’s 10th Planet Jiu‑Jitsu program, he brings a passion for technique and a supportive coaching style that motivates students to push their limits on the mats. Kerry’s hands‑on teaching and commitment to development make him a trusted mentor for those looking to elevate their grappling skills and confidence.

Austin Tu

Beginner/Intermediate/Advanced Wrestling

Austin Tu is a dedicated wrestling coach who brings passion, precision, and a strong work ethic to every session. With deep experience on the mat and a focus on fundamentals, Austin helps athletes improve takedowns, clinch work, and positional control while building confidence and competitive mindset. Known for his hands‑on instruction and patient mentorship, he creates an encouraging environment where students develop technical skill and physical resilience.

Bryan Adalpe

10th Planet Jiu-Jitsu

Bio coming soon!

Kickboxing and Muay Thai Instructors

Romie Adanza

Intermediate/Advanced Muay Thai

Romie Adanza is a highly decorated American Muay Thai kickboxer and seasoned instructor at our gym. A former international champion with multiple WBC and IKKC titles across weight classes, Romie is known for his aggressive style, sharp boxing skills, and technical mastery of Muay Thai. Romie brings elite-level experience and passion to his coaching, helping students of all levels refine their striking and stand‑up technique with precision and intensity.

Daniel McDonald

Cardio Kickboxing

Daniel McDonald is a seasoned Muay Thai coach and accomplished striker with deep experience in both competition and instruction. Daniel competed extensively throughout the United States, compiling an impressive fight record and earning multiple regional titles—including championships in tournament, welterweight, and lightweight divisions. He has fought in notable amateur and full‑contact Muay Thai matches and captured distinctions such as the IKF Southern California Championship and other prestigious belts during his competitive career. 

Elias Garcia

Cardio/Advanced Kickboxing

Elias “El Pescador” Garcia is a seasoned flyweight MMA competitor and valued member of our fight team. Known for his dynamic fighting style and balanced skill set, Elias has built a strong professional record with notable wins by knockout and submission. His journey includes experience in top‑level promotions including the UFC, Combate Global, Oktagon, and A1 Combat. As an instructor, he applies that same discipline and expertise to coaching, helping students sharpen their skills, improve their technique, and grow as fighters both on and off the mats.

Fernando Padilla

Cardio Kickboxing

Known as “El Valiente” for his fearless style, Fernando Padilla has competed at the highest levels of the sport as a featherweight contender, including the Ultimate Fighting Championship (UFC) and Fury FC. In the octagon, Fernando has showcased both striking and submission prowess, including a first‑round submission that earned Performance of the Night honors. Now, he brings that competitive experience and hard‑earned skill back to the gym, helping elevate the Team Oyama community through his technique-focused cardio kickboxing classes. 

Gabriel Ruan

Cardio Kickboxing

Gabriel Ruan is a seasoned martial artist and kickboxing instructor with deep roots in striking and combat training. Having trained in martial arts since childhood, Gabriel brings years of experience in kickboxing, Kuk Sool Kwan, and striking disciplines to his coaching at Team Oyama. He’s also worked as a martial artist, stunt performer, and instructor in the Southern California area, helping students build powerful technique, confidence, and real‑world skills on the pads and in the ring.

Junior Gutierrez

Cardio Kickboxing

Hailing from Lemoore, California, Herminio “Junior” Gutierrez developed his competitive foundation in amateur MMA with notable wins with 559 Fights before stepping into the professional ranks. He brings relentless work ethic, passion for improvement, and real‑fight experience to his training and coaching. At the gym, he uses his journey in the cage to mentor athletes on technique, resilience, and mental toughness, helping others grow stronger both in skill and confidence.

Roberto Romero

Cardio Kickboxing

Roberto “El Charro Negro” Romero is a professional featherweight mixed martial artist competing out of Team Oyama and known for his aggressive striking and well‑rounded skill set. With a career spanning regional promotions, Combate Global, and the UFC, he teaches athletes how to develop striking, grappling, and overall fight strategy with precision and confidence. Known for his hands-on approach and ability to break down complex techniques, Roberto inspires students to improve their skills, push their limits, and grow both on and off the mats.

Youth Striking Instructors

Amin Derakhshan

Youth Striking

Amin Derakhshan is a dedicated youth instructor who brings patience, discipline, and positive leadership to every class. With multiple victories in competitive MMA promotions including 559 Fights and SSP Fight Night, Amin is passionate about teaching young athletes proper technique, confidence, and respect through martial arts. His coaching emphasizes fundamentals, safety, and personal growth, creating a supportive environment where kids can build skills, character, and self-confidence—both on and off the mats.

Zayn Patel

Youth Striking

Zayn Patel is a committed youth instructor who emphasizes respect, accountability, and resilience in his classes. With a strong background in competitive MMA including victories in UNF and SSP Fight Night, Zayn shares his competitive spirit and resilience with his students. He focuses on teaching young athletes strong fundamentals, proper technique, and confidence in a safe, supportive environment to develop his students beyond the gym.