About Ikeda Sensei

A lifetime
of practice.

Hiroshi Ikeda Shihan
8th Dan · Founder of Boulder Aikikai

A teacher based in Boulder, Colorado, sharing Aikido with students around the world.

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Hiroshi Ikeda demonstrating Aikido with a training partner
Hiroshi Ikeda Shihan · Aikido teacher
The biography

From Japan
to Boulder.

Born in Hachijojima, Tokyo, Hiroshi Ikeda began Aikido at Kokugakuin University. He joined Saotome Shihan’s Reimeijuku Dojo in 1969.

In 1976, he settled in the United States, teaching at Sarasota Aikikai and serving as Vice President of the Aikido Schools of Ueshiba. He moved to Boulder in 1980 and established Boulder Aikikai, a nonprofit Aikido school.

His international teaching promotes peace, nonviolence, and personal development through training. It emphasizes physical understanding, particularly “chushin”: keeping one’s own center while disrupting a partner’s balance.

Alongside teaching, he founded Bu Jin Design and Aikido Bridge, which connects practitioners across organizational backgrounds. In 2016, he became Vice President of Aikido Shimbokukai, working with Director Lisa Tomoleoni Sensei.

He holds 8th Dan through the Aikikai World Headquarters and continues to teach as a guest instructor internationally.

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A shared practice

Building connections.

  • Aikido Shimbokukai · Vice President
  • Aikido Bridge · Founder
  • Boulder Aikikai · Founder
  • Internal Study Group · Founder
  • Okina Group · Founder
In photographs

A life in practice.

Ikeda Sensei and a partner hold their palms together during an Aikido demonstration.
Ikeda Sensei works with a partner who is leaning forward.
Ikeda Sensei gestures while demonstrating with a partner in front of hanging calligraphy.
Three practitioners stand on the mat in front of a wooden dojo altar.
Ikeda Sensei demonstrates with a partner in front of a wooden dojo altar.
Ikeda Sensei stands behind a partner during a dojo demonstration.
Two practitioners stand on the mat beside the dojo’s wooden doors.
Ikeda Sensei demonstrates with a partner on the mat as students look on.
Ikeda Sensei and a partner demonstrate in front of seated students.
Ikeda Sensei and a partner stand in front of framed calligraphy as students watch.
Ikeda Sensei gestures beside a partner during an Aikido demonstration.

Photographs courtesy of Kay.

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