Cyndy Hayashi has been chief instructor of the Stanford Aikido Club since 2014.  

She began her training at Aikido of San Francisco in 1977.  After a couple of years she moved to Iwama, Japan, where she resided as uchi-deshi (live-in student) of Morihiro Saito Shihan.

After returning to the United States, she trained and taught at the Aikido Institute of Oakland and at Aikido West in Redwood City. She later decided to become a dedicated student of Frank Doran Sensei.

She is currently Dai Sempai (senior student) at Aikido West, where she teaches both adults and children.  She travels both domestically and internationally, teaching seminars.

She was awarded the rank of shichidan (7th degree black belt) in 2014 and the title of Shihan in 2016.

She also holds the rank of sandan (3rd degree black belt) in Kyudo (Japanese archery).

Her main emphasis is the enjoyment of self-exploration through Aikido. Strongly believing that Aikido is a way of life, her classes are generally energetic. 


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John Clark began his Aikido Training at New York Aikikai as a student of Yoshimitsu Yamada Shihan.  In 1989 he moved to California and became a student of Frank Doran Shihan.  

During the nineties, he spent a year practicing Zen meditation at Mt. Baldy Zen Center as a student of Roshi Joshu Sasaki.  He also spent two years living in Boulder, Colorado, studying Aikido with Hiroshi Ikeda Shihan.

John received the rank of Rokudan (6th degree black belt) in 2014.

In addition to his Aikido practice, John enjoys traditional Japanese woodworking and wood block printing.

John also teaches the morning classes at Aikido West.


Bruce Wonnacott began studying Aikido in 1991 at Central Illinois Aikikai in Urbana, Illinois. His first teachers there were Sherri Stern and Knut Bauer, both students of Akira Tohei Shihan. During that time, he also trained frequently with Mitsugi Saotome Shihan and Hiroshi Ikeda Shihan.

In 1997, he moved to California, where he began training with Frank Doran Shihan and Cyndy Hayashi Shihan. He has traveled extensively with Doran Sensei throughout the United States as well as internationally. He was promoted to the rank of yondan (4th degree black belt) in 2013.

In addition to Aikido, he has studied karate, jiu-jutsu, and fencing, as well as yoga, chado, and several other related arts.