John Gardner Sensei has studied Aikido for more than thirty years.His original studies were with Takashi Kushida Sensei. Kushida Sensei was an uchideshi of Gozo Shioda Shihan. Kushida Sensei moved to the United States In 1973.
In 1985 T.S. Okuyama Sensei moved to Ann Arbor Michigan and founded the Great Lakes Aikikai. Gardner Sensei was one of the founding members. During his 13 years at G.L.A. he taught classes weekly and filled in when Okuyama Sensei was away.
In 2001 Okuyama Sensei relocated to Albuquerke New Mexico, at which time Rodger Park Sensei Became the Chief Instructor of the G.L.A. The dojo is now called Huron Valley Aikido.
Gardner Sensei currently holds the rank of Sandan with Birankai North America.