Porter Ranch Taekwondo

Grand Master Chang Ko is the Founder of the US Taekwondo Center in Porter Ranch, Northridge, California. Grand Master Chang Ko was born in Korea and immigrated to the United States of America in June 1975. He has over 40 years of teaching experience in Korea, Europe and United States of America with WTF, USAT and ITF certified Master Instructor. Member of USATMAC and Vice-President of USAT Martial

Arts Commission (USATMAC) - California. Grand Master Chang Ko is internationally known and respected as an excellent and talented teacher, competitor, and philosopher. His life and many accomplishments demonstrate a naver ending pursuit of perfection.

1995 Supervisor of The U.S. Korean/American Taekwondo
Team to The 76th Korea National Sports Tournament
1993 Completed Taekwondo Leadership Course by WTF
1975 Served International Taekwondo Instructor to Spain,
Exchange International Relationship, KTF
1975 Certified International Referee by WTF
1974 Certified 3rd Class Referee by KTF
1973 Certified International Instructor by KTF
1969 Peter Weight - Kokibu Taekwondo Champion of the
Korea National Taekwondo Championship Tournament
1968 Completed The 2nd International Taekwondo Instructor
Course