Fred Springer began his martial arts training studying Judo in Burlington, Ontario under Masatoshi (Bill) Umetsu (Rokudan). Umetsu sensei was considered an expert in ground work. He was also one of the original founders of Judo Canada. Springer Sensei taught Judo at Seikeikan from 1967 to 1979.
Umetsu sensei had an interest in Aikido and frequently taught Aikido techniques to his students. In 1984 Springer Sensei began his study of Aikido under Kimeda Sensei (8th Dan). He was awarded his Shodan in 1993, Nidan in 2004, Sandan in 2007 and Yondan in 2012, and Go Dan (5th dan) in 2015 by Yasuhisa Shioda.
Kerry Nash Sensei began Aikido in 1990 under Kevin Blok Sensei in Windsor, ON. Canada where he taught both childrens and adult classes. In 2001, Nash Sensei assisted Mark Lemmon Sensei in starting the Seikokan Dojo in Lasalle, ON where he remained until moving to Oakville in 2005. Under Blok Sensei,
Kerry graduated from a 20 month intensive instructor program (kenshu). Kerry has trained and demonstrated Aikido in Japan, California, Ohio, Michigan, Pennsylvania, England, Quebec and all over Ontario. In 2006, Nash Sensei successfully tested for and received his 4th Dan. Nash Sensei is employed as an IT professional with a focus on ERP systems and architecture. In his spare time, Nash Sensei enjoys music and playing the Bass and Harmonica.
On October 22nd 2011 Nash Sensei, was awarded his 5th Degree ranking.
Petrovich Sensei - 4th Dan
The first visit in 1980 by Master Gozo Shioda,(founder of the Yoshinkai
School of Aikido), to North America had an immeasurable and profound
effect on his study of Aikido. As well He traveled to Japan in 1990 to
practice at the Hombu dojo.
In 1990, in order to further and deepen training, took the opportunity
to study Muso Jikiden Eishin Ryu Iaido under Goyo Ohmi Sensei for
In 1995 at the urging of Fred Springer Sensei the Oakville Aikido Club
was established and this blossomed into the Seikeikan Yoshinkai Aikido
On a personal note, Sensei Petrovich believes we should study Aikido
with a child's uninhibited sense of wonder and curiosity completely void
Brown Sensei, Petrovich Sensei,Nash Sensei,Springer Sensei,Danny,Dennis,Sasha
Our Senior students (yudansha) are all Japan certified and qualified Yoshinkai Aikido instructors, who are authorized to register students grading with Japan.