Kei Izawa began his aikido practice in 1969 at Aikikai Hombu Dojo in Tokyo, under the late Doshu Kisshomaru Ueshiba. In 1976, he moved to Cambridge, Massachusetts, where he studied under Mitsunari Kanai, 8th dan, of New England Aikikai.
Kei Izawa has taught aikido at New England Aikikai (1977-1978), as well as in the United Kingdom (1987-1990) and Germany (1997). Presently he teaches at Aikikai Tanshinjuku in Colorado.
In 2008, he was elected General Secretary of the International Aikido Federation. He was re-elected in 2012. He was also the Technical Delegate for the IAF at the Beijing Combat Games in 2010.
Kei Izawa translated, in collaboration with Mary Fuller, the biography of O-Sensei, titled A Life in Aikido, published by Kodansha International in 2008.
Kei Izawa is a 6th dan black belt in aikido.