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This profile was last updated on 7/2/15  and contains information from public web pages.

Mr. Mike Foster

Wrong Mike Foster?

Founder and Head

Local Address:  United States
Yoshukai International Karate Association

Employment History

  • Founder, Testing Board
    Yoshukai International Karate Association
  • Hanshi
    Yoshukai International Karate Association
  • U.S. Officer
    Yoshukai International Karate
  • Teacher
    Itazuke Air Force

Board Memberships and Affiliations

  • Founder
    Yoshukai International Karate
  • Director
    Yoshukai America
  • Representative


  • 7th Degree
30 Total References
Web References
Y.I.K.A., Mojave Br. - Who is Yoshukai, 2 July 2015 [cached]
Yoshukai () International is a association of karate founded by Michael G. Foster in 1977.
Michael G. Foster (9th Dan) first studied under Watanade in the late 1950's and then studied with Yamamoto in Japan starting in 1964.
Michael G. Foster was stationed at Ituzuke Air Force Base in the late 1950s. Yamamoto met Foster in 1964 when Foster returned to Japan to test for second degree black belt.
Foster spent about three weeks at Yamamoto's dojo. Foster returned to Japan in September 1964 and lived in Yamamoto dojo for approximately 19 months, returning to USA in 1966 as 4th degree black belt. Also in 1966 Foster was named the U.S. officer of Yoshukai karate and was tasked with spreading Yoshukai in the United States. In 1968, Hiroyuki Koda, went to the United States under the patronage of Mike Foster to help him in Florida with his mission of expanding the number of Yoshukai schools in America.
In 1989, Mike Foster was awarded the right to use the name "Yoshukai International Karate Association".
Mike Foster was noted as a karate champion in the early days of his career, and though retired from active competition, he is considered one of the premiere karate officials in America.
Y.I.K.A., Mojave Br. - Instructors, 26 July 2014 [cached]
Hanshi: Mike Foster
Micheal G. Foster Founder of Yoshukai Int'l Karate Assoc.
Y.I.K.A., Mojave Br. - Hanshi, 26 July 2014 [cached]
Hanshi: Mike Foster
Mike Foster YIKA Founder:
Michael G. Foster, who is called "Sense" by his many students, is the founder and head of the Yoshukai International Karate Association, (A separated branch of Yoshukai karate).
Mike Foster attained Nidan in Korean Judo while stationed in Korea in the early 1950's, was then transferred to the Air Force Base near Fukuoka, Japan, where he studied karate under Sensei Watanabe, a Goju Ryu karate instructor who taught at the Itazuke Administration Annex base gym. Sensei Watanabe felt that Foster was a very promising student and recommended that he study with Mamoru Yamamoto, who at that time was studying Chito - Ryu karate under Dr. Tsuyoshi Chitose's who was the founder of Chito-Ryu. Foster lived and studied in Yamamoto's Dojo,
Mike Foster stayed with Mamoru Yamamoto in the break away.
In 1966, Mike Foster returned to the United States as a 4th Dan (4th degree black belt).
Mike Foster was highly successful in starting Dojo's in the United States, and in 1967, Mike Foster was named U.S. Officer of Yoshukai Karate.
In 1976, Mike Foster the Director of Yoshukai America broke away from Yamamoto's organization because of a disagreement with Hiroyuki Koda, Vice Director, in application of techniques and administration.
Mike Foster stepped down and established the Yoshukai International Karate Association (YIKA) while Hiroyuki Koda was named the director of the U.S. Yoshukai Karate Association (USYKA) for Yamamoto.
In 1989, Mike Foster was awarded by the courts the sole right to use the name "Yoshukai International Karate Association" (YIKA), where today he has over 1800 members and over 300 Black Belts throughout the World.
Mike Foster received his 2nd, 3rd, 4th, 5th, and 6th Degrees under Dr. Tsuyoshi Chitose.
In 1977, Mike Foster received his 7th Degree under Sensei Mamoru Yamamoto. In 2003, The Shihan and Renshi classes of The Yoshukai International Karate Association (YIKA) bestowed the rank of Ku-Dan, (9th Degree Black Belt) and the title Hanshi, (Master Instructor) to Mike Foster at a ceremony given on May 17, 2003 in Titusville, Florida.
Early Career
Mike Foster was noted as a karate champion from the beginning of his career, and he is considered the premiere karate official in America. Listed below is a brief view a his early accomplishment:
Yoshukai History, 25 June 2013 [cached]
During the following year Yamamoto would accept a new student Mike Foster, who was a 2nd Dan in Goju-Ryu.
Mike Foster was station at Itazuke Air Force base in the late 1950's and studied with Sensei Watanabe who taught Goju karate at the Itazuke Administration Annex base gym. He would earn both Sho Dan and Ni Dan rank from Sensei Watanabe. Mike Foster was sent back to the United States in 1963. After recovering from respiratory problems Mike Foster went back to Japan in 1964. His former instructor Sensei Watanabe was good friends with Sensei Mamoru Yamamoto, who would visit the gym twice a month. At this time Mike Foster was introduced to Yamamoto who trained under Dr Chitose.
Foster would train under Yamamoto for the next four years, returning to the U.S. for short periods of time.
Foster received his 3rd Dan rank on October 20th 1964 from Chitose/Yamamoto. He then received his 4th Dan on October 20th 1965, 5th Dan on June 10th 1969, 6th Dan on January 17th 1971, and 7th Dan on Feb 15th 1976. Foster was Yamamoto's representative in the U.S. during the mid 60's. His mission was to expand the number of Yoshukai schools in America. Sensei Foster became the United States karate champion in kumite for the years 1966, 1967, 1968 and 1969. He was known as the Fighting Sensei.
In 1990, Mr. Foster formed the Yoshukai International Karate Association's testing board to provide a standardized ranking method for student being promoted to the dan ranks of his system.
Foster received senior rank through Chitose and Yamamoto.
Chitose, 26 May 2008 [cached]
Michael Foster began in Goju Ryu under a Mr. Watanabe, reaching nidan in two years.Watanabe Sensei was instrumental in Foster's meeting his next teacher, Yamamoto Mamoru, one of Chitose's top students and a tough fighter in Southern Japan.
Dometrich and Foster would meet in 1963 in St. Louis, Missouri, at a karate tournament sponsored by Matsubayashi Shorin Ryu seniors James Wax, Robert Yarnell and Ansei Ushiro.
William Dometrich and Michael Foster arrived, to see their respective teachers and assist with the running of the tournament.
Yamamoto and his student, Foster, put on an excellent bo (staff) and Sai (three pronged truncheon) demonstration along with other martial groups showing their abilities.
With his departure Michael Foster, his immediate student and North American representative, also left thus creating the Yoshukai International Karate Do in 1971.
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