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Christina Rachel Wang
via Google

love love LOVED. taking classes here was a highlight of my summer in nyc. teachers are super helpful and class was very accommodating for someone w no experience :)

Peter Chambertides
via Google

My son attends IMAC Taekwon-Do classes under the tutelage of Master Hahn. All of the teachers are excellent providing each student with one on one instruction in a well structured environment. My son eagerly looks forward to each new lesson and enjoys the camaraderie that Taekwon-Do, under their instruction, has engendered. During each class, the importance of the Tenets of Taekwon-Do, and their application, are taught and demonstrated. I highly recommend IMAC to any parent looking to expand their child’s horizon.

Dino Selita
via Google

Grand Master Hahn is the best. He is a wonderful person and has a intimate knowledge of Taekwondo and Hapkido, anyone that has ever had a interest in learning these styles will not be disappointed. More importantly its a great place to learn self disciple.

Natalie Krueger
via Google

Starting Taekwondo at IMAC has been the highlight of my year! The environment has been incredibly encouraging and supportive from both instructors and fellow students. Master Hahn is exceptionally knowledgeable and knows exactly how to help & push each student. The class is adaptable for all skill levels. I would absolutely recommend IMAC to anyone interested in Taekwondo!

Kay Castro
via Google

I am a past student of IMAC with Grandmaster Hahn. I had a wonderful experience learning taekwondo and hapkido. The teachers are knowledgeable, supportive, and skillful. I also enjoyed learning with and from my classmates. Sadly, I had to leave the dojang because of the pandemic which led to moving out of state. I often think about IMAC and the awesome experience I had — it’s also influenced me to learn taekwondo in my new state. I wish Grandmaster Hahn the best as well as the awesome students and other masters!

Francisco Carrillo
via Google

I started going to this school since last year October and I have no regrets. I’ve truly learned a lot about myself, how I learn and the best part is, the community. I can definitely promise, anyone that comes to this school, there is zero judgment and everyone is truly supportive, teachers and students alike. It really is a great joy to come to class and see how you as an individual progresses along with the your classmates.

Josh Banyasz
via Google

I have been attending classes at IMAC for about two years and I cannot recommend this school highly enough. Grandmaster Hahn lives up to the name and is eager to pass along his knowledge to his students. The other instructors are all very supportive and skilled as well. In the time I've been studying here I've seen a dramatic increase in my own strength, stamina, and flexibility. The days that I attend class are the highlights of my week and I look forward to training here for years to come.

Jonella Wong
via Google

I've been taking classes here for about 6 months now, and I can definitely say that my physicality has improved drastically! I feel more in tune with my body, and my stamina levels have heightened. Such a great community too! Coming to IMAC is definitely the highlight of my week!

Aubrey Lawton
via Google

Martial Art is a journey and a way of life that provides a lifelong reward. My experience training and learning from Grand Master Hahn has been one of best times of my many years in martial arts. And I can say with confidence that training at IMAC will give you an experience you will never regret.

Isobel Obrecht
via Google

Great instructors, interesting and engaging blend of Taekwondo/Hapkido. I love the way classes are built around respect for classic forms, self defense skills, and building flexibility/endurance. There is plenty of space and time to go at your own pace and the instructors and fellow students are patient, welcoming, and supportive. As a woman who has been practicing various martial arts for a long time before attending this school, I have often encountered people being condescending or overprotective, especially in schools dominated by men. This school does not have that problem and there is a real understanding that everyone is capable of fighting well, and everyone is deserving of respect.

I B
via Google

My daughter loves her classes. Feels very welcoming, positive and inclusive. Every kid seems thrilled to be there.

River Albo
via Google

I joined IMAC as an adult beginner, and I'm so glad I did. This school is made up of a community of supportive instructors and students, and I look forward to each class I attend. The adult classes instructed by Grandmaster Hahn helped me develop physical fitness, technique, self defense, and discipline. I highly recommend IMAC to anyone interested in taekwondo and self defense training.

Stephanie Hill
via Google

The instruction for children at IMAC is comprehensive, inclusive and organized. Kids may attend group thirty minute sessions 3x per week. Class size is always under 10 kids with 2 or sometimes 3 instructors teaching. All the instructors are patient but firm and do a great job keeping their students focused. Confidence building, agility and maintaining focus are all benefits of martial arts. We LOVE all of the instructors including Master Hahn the owner, Master William, Master Samson and Kasia. IMAC is definitely a hidden martial arts gem of in the Union Square area. It would be great to see their business grow further.

Ellie Aslanian
via Google

Taking taekwondo classes at IMAC is one of the best decisions I’ve ever made! All of the wonderful instructors are supportive, kind, and hardworking. The classes are always engaging, and I always leave feeling energized. The other students in the classes are also encouraging and great to work with. So far, I have both learned and grown a lot. I’m not very athletic and had not taken any martial arts classes previously, but the classes at IMAC have been very educational and just the right amount of challenging. I cannot recommend it enough!

Benjamin Roy
via Google

My daughter attended IAMC for 5 years while we were in NYC. Under the guidance of Master Hahn and his team, she has not only learned the art of taekwondo but has also blossomed into a more self-confident individual. The school provides a welcoming and inclusive atmosphere. Master Hahn and his team went beyond physical techniques; they instilled core values like discipline, respect, and perseverance in each student. It has been an incredible journey for my daughter, filled with invaluable lessons and personal growth. I am grateful to Master Hahn and his team for their guidance and the positive impact they have had. I would strongly recommend IMAC to any parent seeking a supportive environment for their child to learn and grow.

Ezer Cheki
via Google

Great place to learn Taekwondo. Really enjoying the experience in the dojang. Coming in as an adult beginner can be intimidating but the instructors are great and super professional. Grandmaster Hahn is an inspiring martial artist. The art feels even more complete with Hapkido mixed in. The private lessons are a fantastic experience, very focused on proper form and there’s a lot of attention on the student’s individual goals and technique from both the instructor (Samson) and Grandmaster Hahn himself. I feel like I accomplish a lot in each session and am progressing faster than I imagined. Way faster than in group classes I tried elsewhere. Very happy to be a student there!

Sarah Hausmann
via Google

I have been coming here for several months now and absolutely love it! I had never done martial arts before, but had always wanted to try it, and the instructions have been great at breaking things down and making everything accessible. As you catch on, they will continue to challenge you with progressively harder skills which keeps things fun and interesting. Everyone is super friendly and accepting, so whatever your ability level is, I would highly recommend joining!

Eddy ABC
via Google

I am in the adult class. This is a great school, where you can learn hapkido and taekwondo. You will learn intricate techniques taught very simply, look forward in continuing training and move up in rank!

Ellie Aslanian
via Google

Taking taekwondo classes at IMAC is one of the best decisions I’ve ever made! All of the wonderful instructors are supportive, kind, and hardworking. The classes are always engaging, and I always leave feeling energized. The other students in the classes are also encouraging and great to work with. So far, I have both learned and grown a lot. I’m not very athletic and had not taken any martial arts classes previously, but the classes at IMAC have been very educational and just the right amount of challenging. I cannot recommend it enough!

Ed Silva
via Google

I am in the adult class. This is a great school, where you can learn hapkido and taekwondo. You will learn intricate techniques taught very simply, look forward in continuing training and move up in rank!

tara butler
via Google

My five year old son has been taking classes at IMAC for almost a year and absolutely loves it. He looks forward to every session. He is thrilled when he learns new moves and practices them at home. Every staff member at the school is supportive and works with the students closely to ensure they make progress. Grandmaster Hahn is so zen and commands respects from all his students. He is a pleasure to work with. As a parent, I love the art because it really teaches my son discipline and respect in a very organic manner. Try the introductory classes you will be sure to love it!

Kim Parker
via Google

My daughter is on the autism spectrum...our experience with any kind of class has always been very hit or miss (as I’m sure a lot of special needs parents can relate to)...Master Hahn and Samson are INCREDIBLE with her. I literally am stunned at her level of focus and excitement about this training. The teachers somehow intuitively know how to work with her...I can’t really express my gratitude and relief and excitement to have found International Martial Arts Center. It has really changed our lives. She told me she feels “tranquil” after class...anyone with a child with anxiety or attention issues will know what a miracle of a statement this is!!

Yair Sovran
via Google

A great school with a great curriculum. Grand Master Hahn is an excellent instructor and the higher-belts are super helpful. Everyone is friendly and welcoming, and although we train hard, there's a great positive and supportive energy. I particularly like the Hapkido-based self-defense curriculum, which distinguishes this school from other Taekwondo schools. Highly recommended!

Kerry Bate
via Google

We could not ask for a better Martial Arts school for our 6 year old daughter! Over the past year, she has learned to focus better, support her fellow students, and work hard toward her goals. We are so proud of her achievements in taekwondo, but more importantly, she has learned to take pride in her own hard work. The instructors are incredibly patient and gentle with the kids, while holding them to a very high standard. The school offers a wonderful community of students and teachers, with many parents and children taking classes there together as a family. Master Hahn has a terrific team, and this school is an absolute NYC gem!

Ezer Cherki
via Google

Great place to learn Taekwondo. Really enjoying the experience in the dojang. Coming in as an adult beginner can be intimidating but the instructors are great and super professional. Grandmaster Hahn is an inspiring martial artist. The art feels even more complete with Hapkido mixed in. The private lessons are a fantastic experience, very focused on proper form and there’s a lot of attention on the student’s individual goals and technique from both the instructor (Samson) and Grandmaster Hahn himself. I feel like I accomplish a lot in each session and am progressing faster than I imagined. Way faster than in group classes I tried elsewhere. Very happy to be a student there!

Tara Butler
via Google

My five year old son has been taking classes at IMAC for almost a year and absolutely loves it. He looks forward to every session. He is thrilled when he learns new moves and practices them at home. Every staff member at the school is supportive and works with the students closely to ensure they make progress. Grandmaster Hahn is so zen and commands respects from all his students. He is a pleasure to work with. As a parent, I love the art because it really teaches my son discipline and respect in a very organic manner. Try the introductory classes you will be sure to love it!

David Philipe Gil
via Google

Best martial arts school I have ever went to. Classes are small enough to get individual attention and the curriculum includes Taekwondo, Hapkido and more. Learn at your own pace, and students here tend to be very humble and kind-hearted. Grand Master Hahn is the "real deal" as well -- a true master of the arts in mind, body and spirit.

Vanessa Sun
via Google

Great place to learn taekwondo. It's in a convenient location and the atmosphere is welcoming. The instructors are great for adults and kids alike. The people here truly make the experience and help build a sense of community. This dojang is dedicated to teaching traditional taekwondo but in a super fun way.

Damian Sullivan
via Google

A friendly, welcoming environment with great instructors who always listen and are willing to teach and make the training enjoyable!

Yasmin Ibrahim
via Google

Our daughter has been a student at Martial Arts Center for two years. We love the school. It is welcoming and she has learned so much. The instructors are wonderful and there is a high teacher student ratio. Taekwondo is very worthwhile for children in today’s world that is full of distractions. The school doesn’t just focus on the physical aspect of taekwondo but also the mental. They really try to model and explain the 5 tenets (self-control, integrity, perseverance, courtesy and indomitable spirit) of taekwondo for the students. This is one of the best sports for children and this is a great school.

Elizabeth Brondolo
via Google

A great place to learn Taekwondo! The Taekwondo techniques are challenging, but there are many helpful and very patient instructors who work with you. When we work together to learn new forms or combinations, it’s invigorating and exciting. Learning Taekwondo has definitely improved my flexibility and strength and helped me gain physical confidence. There is a really nice sense of community at this school. I look forward to the classes every week.

Kumbi 2012
via Google

Conveniently located in the Kips Bay section of Manhattan, the International Martial Arts Center (IMAC) provides instruction in both Taekwondo and Hapkido. Training at IMAC is both intensive and personal. Students are encouraged to achieve their personal best through constant practice and goal setting, and are consistently supported in their efforts at achieving their personal best by Grandmaster Hahn and their IMAC peers. As an IMAC student for approximately 6 years, I have found the experience of training in the martial arts of Taekwondo and Hapkido at IMAC to be challenging, educative and fun.

Eugene Park
via Google

My kids LOVE master Hahn and his team. They are extremely friendly and have taught my son and daughter discipline and focus while having a lot of fun. If you are looking for a great after school activity, IMAC is a great option.

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The Heart of a Martial Arts School

November 23, 2025

The Heart of a Martial Arts School: Honoring Our Instructors and Assistants

At the International Martial Arts Center, people often see the Master Instructor at the front of the class — but the true strength of a martial arts school is never built by one person alone. Any successful academy, whether it’s Taekwondo, Hapkido, Karate, Judo, Jiu-Jitsu, MMA, or Self-Defense, relies on a unified team of dedicated assistant instructors and highly trained instructors who carry the school’s energy, knowledge, and spirit forward.

After almost 30 years of teaching — since 1994 — I can say with complete honesty:
IMAC would not be where it is today without the incredible instructors who stand beside me.

—

Why Assistant Instructors Are Critical in Any Martial Arts School

One person cannot teach every class, every level, and every weekend. A healthy martial arts school needs:

Assistant instructors who support the main classes

Advanced instructors who run alternate classes

Weekend instructors who keep the school flowing on busy days

Black belts and high-ranking students who step in when needed

Teachers who understand the curriculum deeply and teach the correct way

Without them, the instructor-to-student ratio collapses, and the quality suffers. Martial arts is not just about technique — it is about consistent standards, unified direction, and cohesive teaching. If instructors teach different philosophies and different versions of the curriculum, a school becomes chaotic. Students grow in different directions. And the heart of the school — unity — disappears.

At IMAC, I am extremely fortunate.
Our instructors and assistants do not simply “fill in.”
They elevate the school.

—

The Importance of Homegrown Instructors

In my experience, the best instructors are always homegrown — meaning they started here as white belts, learned every detail of our curriculum, and earned their belts through the IMAC system.

Why does this matter?

They understand our culture.

They carry our teaching philosophy.

They know our students and families personally.

They know how to teach the curriculum the right way — consistently.

They grew up with the IMAC values: discipline, humility, respect, compassion, and service.

You can hire outside instructors and train them — but it will never match the power of homegrown leaders who have lived the journey from the first day they bowed in.

These instructors are not just skilled martial artists.
They are good human beings — giving, generous, compassionate, and committed to helping others grow.

And in any teaching environment, those qualities matter more than anything.

—

A Thanksgiving Message to My IMAC Family

As we enter this season of gratitude, I want to take a moment to speak from the heart:

Thank you.

To every instructor…
To every assistant instructor…
To every helper who steps in when others can’t…
To every black belt who teaches with heart and humility…

You are the reason our school has lasted nearly 30 years.
Your loyalty, generosity, and dedication keep IMAC strong, vibrant, and united.

You elevate the school.
You elevate our students.
And you elevate me.

Without you, IMAC would not be the school it is today.

This Thanksgiving, I offer my deepest gratitude for everything you do — not just in class, but behind the scenes, day after day.

Thank you for helping IMAC stand tall for three decades.
Thank you for teaching with integrity and compassion.
And thank you for walking this journey with me.

I am truly fortunate to have each and every one of you.

— Grandmaster Hahn

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