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Collin Jeppe is from the Maui, Hawaii where he began boxing at the age of 18. He has also practiced MMA for five years before moving to Portland, Oregon. He then focused his training on boxing where he joined West Portland Boxing and competed as an amateur. He has taught and coached at several boxing and MMA gyms. He teaches incredible boxing classes that also encompass fundamentals for those who want to get a good sweat on but learn the art of boxing.

Meet Other Trainers

Our Portland City Boxing trainers conduct fitness and specialized classes that will improve your fundamentals of boxing and kickboxing but most importantly your health! Get in shape while learning how to box and have fun doing it. Our coaches and staff are ready to help you meet you goals.

Aaron Ma
Born and raised in Roseburg, Oregon. Aaron has called Portland his home since 2004. He is also a certified personal trainer through NASM (National Academy of Sports Medicine). Aaron has worked in the fitness industry since 2010 and is dedicated to help others reach their fitness goals. He is also a member of PCB’s Amateur Boxing team.
    Eddy Yanez
    Eddy's extensive experience as an amateur fighter translates into an engaging, skills-focused class that puts his students through the paces of a complete boxing workout. Eddy has been a part of the PCB amateur team since 2016, and  began teaching in early 2019. His classes were an immediate success due to his own passion for the sport, and desire to share his well-earned knowledge with his students!
      Joshua Polk
      Joshua Polk is a NASM certified personal trainer and a registered USA Boxing amateur in the Masters division. Due to his own personal journey with fitness and weight loss, Joshua has a unique, firsthand understanding of the challenges of losing weight and what it takes to get – and stay – fit. Joshua uses his experience, knowledge and passion for boxing and fitness to help his clients reach their goals. His specialties are weight loss, nutrition, strength and conditioning, boxing, functional fitness, obstacle course racing, and circuit training. Join Josh for a challenging but fun,  interactive high-intensity conditioning class on Thursdays at 10 am and reach your peak potential! When he’s not at the gym, Joshua is busy being a proud father to his one-year old son, William and running obstacle courses with his wife Shannon.