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About Muscle House
About Me
Welcome to Muscle House. My name is Jay Cha, and I am the founder and head trainer. I am a certified personal trainer through the National Council on Strength & Fitness (NCSF), one of the most respected organizations in the United States. With over 16 years of training experience and more than 20 years as a sales professional in the tech industry across Korea and Singapore, I bring both discipline and empathy to every coaching session.
My own journey has taught me how demanding and stressful life can be — and how vital it is to care for both the body and mind. After two decades in the corporate world, I decided to follow my true passion: helping people transform their health, strength, and confidence.
Today, I work with clients of all ages and fitness levels, guiding them to improve their strength, mobility, and overall quality of life. Whether you are starting your fitness journey, balancing a busy career, or aiming to push past your limits, I’m here to support you every step of the way.
Our Philosophy
At Muscle House, we believe fitness is not about perfection — it’s about progress. Every individual has unique goals, challenges, and strengths, and our role is to create a path that makes fitness accessible, sustainable, and empowering for everyone.
We focus on three core principles:
- Personalization – Every client deserves a program built around their body, lifestyle, and goals. No cookie-cutter workouts, only tailored coaching.
- Simplicity – Fitness and nutrition should be simple, practical, and free of unnecessary complexity. Small, consistent steps create lasting change.
- Support – Real transformation comes with encouragement, accountability, and a community that lifts you up. We’re here to guide, motivate, and celebrate progress every step of the way.
At Muscle House, our philosophy is simple: train smart, eat well, stay consistent, and build the strength to live a healthier, more confident life.