I'm Eunsoo, founder of Strong Inside & Out.
As a TRX, TRX Pilates and NASM Certified Personal Trainer, I help people build mobility, stability, strength, power and confidence through personalized training that focuses on how your body moves. My goal is to create a supportive, structured environment where you can train safely, move better, and see real, lasting results.
With a background in engineering, I take a thoughtful and detail-oriented approach to every session. That means clear guidance, proper form, and steady progress you can trust.
No matter where you’re starting, I’ll meet you there and help you grow Strong Inside & Out.
1-on-1 Personal Training
Small Group Training
TRX and TRX Pilates Training
Online Training
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!
"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
Santa Clara, CA