About
The Home of Champions
Black Belt World has become a landmark of martial arts in Somerville, Piscataway, East Brunswick, and Green Brook. Under the leadership of Master Hyun Jun Kim, 7th Degree Black Belt, our talented team of instructors and black belts delivers the pinnacle of modern Taekwondo curriculum and training.
Black Belt World is an institution of self-improvement and the home of champions. You and your family are in good, caring hands with our team. With a focus on creating a positive, safe, and injury-free training environment, we have earned the reputation across Somerville, Piscataway, East Brunswick, and Green Brook — as well as Bound Brook, Middlesex, South Plainfield, and Edison — as the top Taekwondo school and character development center in Central New Jersey.
Although some people think the martial arts are about just fighting, our program is so much more. When you train in our Taekwondo classes, you take advantage of the best self-improvement system in the world. Through the practice of physical self-defense skills, you will follow a blueprint for a successful life based on discipline, focus, and perseverance.
You will experience the satisfaction that comes not from winning over others, but from winning over yourself — as you become stronger, healthier, and happier than you have ever been in your life. Get started now and find out how you can be healthier, happier, and more successful through Black Belt World training!
Certification
7th Degree Black Belt
Taekwondo Master
Master Hyun Jun Kim
Owner & Chief Instructor
“Building champions in life through the art of Taekwondo”
Master Hyun Jun Kim, 7th Degree Black Belt, is the owner and chief instructor at Black Belt World Taekwondo. Under his leadership, Black Belt World has become a landmark of martial arts in Somerville, Piscataway, East Brunswick, and Green Brook.
Master Kim leads an extremely talented group of instructors and black belts to bring you the pinnacle of modern Taekwondo curriculum and training. With a focus on creating a positive, safe, and injury-free training environment, he has built Black Belt World into the top Taekwondo school and character development center in Central New Jersey.
His philosophy centers on the belief that true martial arts training is not about fighting — it is the best self-improvement system in the world. Through discipline, focus, and perseverance, Master Kim guides students of all ages to become stronger, healthier, and happier than they have ever been.
Why Learn From Our Instructors
Expert Instruction
Official Kukkiwon registered dojang with all instructors holding Kukkiwon Dan certificates
Personalized Attention
Individual guidance tailored to your skill level and goals
Proven Track Record
Success stories from thousands of students across all ages
Frequently Asked Questions
Find answers to common questions about our programs, training, and membership
We offer classes for all ages, from young children to adults. Our programs are tailored to different skill levels and goals.
No prior experience is required! We welcome beginners as well as experienced martial artists looking to refine their skills.
Comfortable athletic wear is fine for your first class. If you decide to continue, we'll guide you on getting a uniform and gear.
We recommend attending at least two classes per week for steady improvement, but you can train more frequently based on your goals.
We go beyond physical training to focus on building strong character. Our program is rooted in the values of loyalty, discipline, and perseverance helping students grow into confident, respectful individuals both on and off the mat. We teach not just technique, but the mindset and spirit of true martial artists.