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About Me
About Me
Welcome to Strong Inside & Out!
I am Eunsoo, a NASM Certified Personal Trainer specializing in functional strength, mobility, and corrective movement training. I bring a supportive, structured, and systematic approach to every session. My ultimate goal is to help every member succeed. That means making measurable progress, becoming stronger and more confident, and feeling better after each session. Seeing that progress in my members has been my greatest reward, and it has also become my own success.
As a former roller derby player, I discovered the power of TRX Suspension Training as a way to manage pain, restore balance, and rebuild functional strength. That transformative experience inspired the transition into fitness, so that I could help others move safely and effectively as I expanded my expertise through personal training, TRX, and TRX Pilates.
A proud wife and mother of two, I grew up in Seoul, Korea and earned my Ph.D. in Electrical Engineering from Stanford University.
I believe the body is sacred, not simply something to change, but something to care for. “Your body is a temple of the Holy Spirit” (1 Corinthians 6:19 - 20) shapes the way I view fitness, as an opportunity to honor the body with gratitude, discipline, and respect.
No matter where you’re starting, I’ll meet you there and help you grow Strong Inside & Out.
Services
Services
1-on-1 Personal Training
Small Group Training
TRX and TRX Pilates Training
Online Training
Book a Session
Book a Session
If you’ve been thinking about getting stronger, moving better, or finally prioritizing your health, this is your moment.
You don’t need to be in shape to start. You just need to start.
Ready to get Strong Inside & Out? Book your session today!
Testimonial
Testimonial
"Building my strength with Eunsoo through her TRX and TRX/Pilates classes over the past four months has been an incredible experience. I was initially a little intimidated to try TRX, but Eunsoo made it feel approachable and welcoming from the very first class. Her clear instruction, encouragement, and attention to proper form gave me the confidence to challenge myself safely.
I've struggled with chronic back pain for many years, so I was especially careful about starting a new workout program. Since training with Eunsoo, I've noticed a remarkable difference - not only have I become stronger, but I'm now able to move and engage my muscles naturally and efficiently without overthinking it. Even more amazingly, I haven't experienced the back pain that used to be a regular part of my life since I started taking her classes.
If you're looking to build functional strength in a supportive, knowledgeable, and motivating environment, I can't recommend Eunsoo highly enough!" - Eriko on July 2026
"It's been almost 10 months since I started TRX with Eunsoo, and I feel stronger than ever. She thoughtfully organizes every class and gives clear explanations on how to perform the movements. I truly enjoy her TRX class. Highly recommended!" - Sona on March 2026
Eunsoo at Strong Inside & Out
TRX, TRX Pilates and Personal Trainer
Phone: (408)658-9115
Email: stronginsidenout@gmail.com
YouTube: @stronginsidenout
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