I started exercising at the age of 12. I was small and physically weak, so at my parents’ recommendation, I began learning judo and went on to train as an elite athlete for many years.
At 19, I transitioned into bodybuilding in earnest, and I’ve now been working in the fitness industry for 16 years.
Although I trained in judo for a long time, my physique itself didn’t change significantly. I’ve always loved exercise, and my older brother—who was already an established bodybuilder—had a big influence on me.
Because he was a well-known athlete, I naturally learned a lot about the field, and less than a year after starting bodybuilding, I began competing in contests to gain experience.
Since I had a physically weak build, I trained with complete dedication. Through that process, I experienced firsthand the powerful transformation and sense of achievement that exercise can bring.
I always say this:
“Exercise is the best plastic surgery.”
If you’re overweight, exercise makes you leaner. If you’re lean, it builds muscle. Exercise creates a positive cycle for everyone.
However, it’s crucial to choose workouts that suit your body. Just as you select clothes that fit your body type, exercise should match your physical condition and joint structure to achieve real change.
You can work out alone, but doing it incorrectly can lead to injury or muscle imbalance. Especially for beginners, learning from a professional allows you to see faster and safer results.
One of the greatest benefits of exercise is that the results are visible. If you work out consistently two to three times a week, noticeable changes usually appear within two to three months.
From my experience training over 1,000 clients:
When you properly understand posture, breathing, and how to engage muscles correctly, progress accelerates significantly.
In Korea, I trained many competitive athletes, and with them, communication is very smooth—sometimes just a few words are enough.
However, people with little or no exercise experience need more time to understand balanced movement. Beginners often rely only on the muscles they’re most comfortable using, which can cause uneven development and imbalance.
That’s why I focus on explaining concepts in the simplest, most approachable way possible, tailored to each individual’s level.
1) Cardio
Start with light cardio such as walking or running for at least 20 minutes, then gradually increase to 30 minutes or even an hour. If you consistently do about an hour of cardio daily, you’ll begin to feel your body becoming lighter.
2) Diet
Dieting is less about adding things and more about cutting back.
Snacks, instant noodles, burgers, and high-fructose sugary drinks should be reduced or eliminated.
Small habit changes alone can lead to big transformations.
3) Strength Training
This is essential. The core of dieting and body transformation lies in resistance training.
When combined with cardio and diet, strength training significantly speeds up visible results.
There are many, but one stands out. When this client first came to me, they had no sense of direction and didn’t know what they liked or wanted to do in life.
After training together for five years, their mindset improved dramatically, their body completely transformed, and they eventually became a trainer themselves.
They struggled mentally at first, even experiencing depression, but now they’re an outstanding trainer actively working in the field.
They never miss Teacher’s Day or New Year’s greetings, making them someone I’ll never forget. Like me, they started with a very thin build, improved year after year, and even competed in bodybuilding contests—which makes their journey even more meaningful to me.
Yes. As I worked in personal training and coaching, I began receiving many requests to give lectures, especially seminars for athletes.
I realised that to grow further, English was essential. We live in an era of personal branding, and rather than staying only in Korea, I wanted to train in English, create content, and build a global brand—so I decided to come to Australia.
Being fluent in English allows you to operate in a much larger market and share your knowledge with more people. I’ve only been in Australia for four months, so I’m still very much feeling the language barrier. (Haha)
My first goal in Australia is to significantly improve my English.
My second goal is to build my personal brand as a creator. I want to share my fitness knowledge and experience with more people through social media content.
Through branding and language skills, I believe I can expand into overseas markets and create broader impact.
Don’t overthink it—just start.
If you’re constantly thinking about it, that already means you know you need exercise. Once you begin, your life will change, and it will become a catalyst for growth—I’m confident of that.
I’ve always lived by challenging myself. I’ve worked as a rafting instructor, soccer referee, judo referee, judo athlete, and bodybuilder.
People worried when I decided to come to Australia on a student visa at a later age, but I knew I’d regret it if I didn’t try. That’s why I chose this path.
I hope you won’t hesitate either—take on as many challenges as you can.
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