Y.K. Kim is a modern educator and a contemporary philosopher. He is the chairman and founder of Martial Arts World: The home of life champions.
There is no one quite like Y.K. Kim. People call him crazy or a genius. He is proud that people call him these things because he works like crazy to transform our society one life at a time. He wants to revolutionize YOUR life and change the world with The 5Fitness.
A native of Seoul, Korea, Y.K. Kim serves as a living testament that the American dream is alive and kicking. He left his homeland in 1976 to come to the U.S., with only his black belt and a heart full of hope. Homeless and without a green card, but imbued with a pioneer spirit, he worked hard, shedding blood, sweat, and tears to overcome cultural shock, financial difficulties, and a language barrier in order to achieve the American dream. He has reached a rare level of success that includes:

Author of Winning is a Choice, Success in Martial Arts Business, Tae Kwon Do, Health is the Foundation of Success, Tae Kwon Do World, 6 Martial Arts World books, Join the Millionaire Club, US National Exercise, and The 5 Pillars of True Success. NEW: 5Fitness
Motivational speaker on topics such as: Leadership, motivation, success, and “The 5 Pillars of True Success.”
Producer, writer, director, and star of the action movie epic Miami Connection.
Publisher and editor-in-chief of Martial Arts World magazine.
The proclamation of Y.K. Kim Day in Central Florida and the Commonwealth of Virginia.
Hall of fame inductee into the Grandmasters Society.
Chairman of a consulting company that specializes in marketing, seminars, and software.

Supreme Grandmaster Y.K. Kim’s next goal is to build a four-year Martial Arts University in order to provide future leaders for the world. He wants to extend Martial Arts World to every corner of the earth. His goal is to have over 200 million members worldwide. He has a strong burning desire to spread The 5Fitness and make the world a better place to live.

What people are saying about 5Fitness!

"In this thoughtful, inspiring book, The 5FITNESS, Y.K. Kim offers insightful motivational strategies for the present times."


-George Allen, U.S. Senator and Governor of Virginia

"What a phenomenal read. I couldn’t wait for the next page."


-Bob Vander Weide, President / CEO Orlando Magic

"The 5FITNESS that Grandmaster Y.K. Kim wrote is well written and easy to understand as it breaks down and helps you with physical, mental, moral, financial, and overall life success!"


-Joey Fatone, Actor, Singer, Memeber of Nsync and TV star

"The 5FITNESS, a new concept of true success and a new global culture, is the best gift for all citizens of the world."


-Byoung Gug Choung, Assembly man and Secretary of Culture of Korea

"5FITNESS revolutionized my life: I can be what I want to be, I can have what I want to have, and I can do what I want to do. 5Fitness is life skills: I guarantee 5FITNESS will revolutionize your life, transform your society, and together change the world."


-Chief Master Kirk , President of Martial arts world

"I have personally known Y.K. Kim for 20+ years. If you are searching for a road map for your life, and if you want to make a difference and change your world, please read The 5FITNESS. This book will give you fresh insight."


-Sara Trollinger, Founder/President of International House of Hope

"Supreme Grandmaster Y.K. KIM achieved the American Dream. He is modern action philosopher and truly a role model for rest of us; I like to show respect and appreciation to Supreme grandmaster Y.K. KIM. To me 5FITNESS: Physical, Mental, Moral, Financial, and Life fitness will help us to create a successful future."


-Bob Opsahl, News Anchor, ABC affiliate WFTV

"Supreme Grandmaster Y.K. KIM achieved the American Dream. He is a modern action philosopher and truly a role model for the rest of us; I would like to show my respect and admiration for Supreme grandmaster Y.K. KIM. The 5FITNESS: Physical, Mental, Moral, Financial, and Life fitness will help you create a successful future."


-Grandmaster Dong Sup Lee, President of Korean TaeKwonDo federation

"It’s absolutely incredible. Everyone needs 5FITNESS. It will positively transform your life!"


-Peter Lowe, CEO of Get Motivated business seminars

"5FITNESS is full of passion. It is timely and appropriate for America today."


-Dr. Un Yong Kim, V.P of International Olympic Committee

"5FITNESS challenges you to re-invent yourself to become mentally, physically, and financially healthier."


-Jim Coover, Chairman of Isogenics

"5FITNESS is full of passion. It is timely and appropriate for America today."


-Chief Master Mike Bugg, Vice chair of Martial Arts World

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"It’s absolutely incredible. Everyone needs 5FITNESS. It will positively transform your life!"


-Evan Husney, Producer at VICE Media

"We are all lucky that Y.K. Kim has decided to share his rich experiences in this new book. From stress release exercises for when you are stuck at red lights, to stock tips, to secrets for building a business, and even techniques for how to find true love, Grandmaster Y.K. Kim has valuable life strategies and advice for everyone. If your bookshelf has room for only one book, this is the one to buy!"


-Tim League, CEO of Alamo Drafthouse Cinema

"5FITNESS changed my life; personally, socially and professionally. I now feel I am truly in control of my life and my success. I know I can turn my dreams into reality. 5Fitness is the most practical life skills. I am sure 5Fitness will change your life and help you achieve your dreams."


-Master Tina Bane, CEO of MAW Glen Allen

"Absolutely incredible. Everyone needs 5FITNESS. It will positively revolutionize your life!"


-Dong Young Chung, Secretary of Unification of Korea