MEET THE PERSONAL TRAINERS
Nate Jarvis
Nate is an accredited personal trainer through NASM. His path to fitness has been a transformative journey shaped by challenges and triumphs. After a period of struggle, he rediscovered his passion for fitness and wellness.
In high school, he was dedicated to weight training, but life led him down a different path for a while. Now, years later, he's embraced a lifestyle centered on health, happiness, and resilience. He incorporates weight training and Brazilian Jiu-Jitsu into his daily routine, fueling both body and spirit, he believes that exercise and proper nutrition are powerful tools for personal growth and well-being. His mission is to help others unlock their potential and find joy in their fitness journey
Ashley Castillo
Ashley has been part of Monmouth Fitness for the past 6 years, and fitness has been a huge part of her life. She started out as a Group X instructor, teaching a variety of classes for 3 years, and for the past 2 years has been managing MFC.
"What I love most about fitness is not just the physical strength it builds, but the confidence, discipline, and energy it brings into everyday life. As a mom of three amazing girls, I know how important it is to find balance, stay motivated, and carve out time for your own health and wellness.
I’m passionate about helping people feel stronger, healthier, and more confident in their bodies. Whether you’re just starting your fitness journey or looking to push yourself further, I’m here to support, guide, and challenge you along the way."
Eric Tichenor
Eric is an Exercise Science major at Western Oregon University. He began training in 2021 when school transitioned to an online format. Since starting, Eric has learned a lot from different trainers, physical therapists, nutritionists, and countless other fitness professionals he’s met along the way. Eric is certified through NASM (National Academy of Sports Medicine), but his second certification through CFSC (Certified Functional Strength Coach) has really helped him find his identity as a trainer. Eric specializes in Functional Strength Training, Mobility, Weight Loss, Corrective Exercise, and Injury Rehabilitation. Eric is currently working to finish his degree at WOU to expand his knowledge on fitness.