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Steven Katz, Sensei
Dojo Cho, Head Instructor

I started training in Aikido in February 1989 in Baltimore under Mitsugi Saotome Shihan, Zenko Okimura Shihan, Chuck Weber Shihan, and Charlie Page Shihan. In 1991 I moved to Boulder, CO to train intensely under Hiroshi Ikeda Shihan who was my teacher for 16 years. I taught my first Beginner class at Boulder Aikikai in 1993. I was the head instructor at the University of Colorado Aikido Club for 4 years while I trained and taught at Boulder Aikikai. From 1999-2003 I trained and was a weekly instructor at Bond St Dojo in NYC under Paul Kang Shihan and Christine Jordan Shihan often taking classes with Yoshimitsu Yamada Shihan, Seiichi Sugano Shihan, and Donovan Waite Shihan at New York Aikikai. I was head instructor and dojo-cho at Jiai Aikido in San Diego from 2010 to 2015. I started Kagami Dojo in 2019. Other teachers who have influenced my Aikido include Martin Katz Sensei, Frank Doran Shihan, Christian TIssier Shihan, Jan Nevelius Shihan, Mary Heiny Shihan, Kevin Choate Sensei, and Tres Hofmeister Shihan.

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Matt Smith, Sensei
Kids 7-10, Instructor

Matthew Smith Sensei started training with Julie Poitras Santos Sensei (under Ikeda Sensei) in 1999. He currently holds the rank of Nidan, 2nd degree black belt. Especially inspired by training with Martin Katz Sensei for 7 years, he currently teaches the Tuesday children's class. Exhilarating joy in practice and helping people shine are some of Smith Sensei's favorite things.

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Maiko Kasuya, Sensei
Adult Beginner, Instructor

Maiko Kasuya started Aikido in Japan when she was nine years old. She joined Ryushinkan Dojo in 2002 and received her 3rd-degree black belt in 2023.

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Tom Groot, Sensei
Instructor

Groot Sensei began training at Ryushinkan Dojo under Martin Katz Sensei in 1993 and currently holds the rank of 4th-degree black belt. He also holds 4th Dan rank in Muso Jikiden Eishin Ryu Iaido.

Sui-Wai Wu, Sensei
Instructor

Wu Sensei began his Aikido training at UC Santa Barbara under Steven Ota Sensei in 1990. He trained under Martin Katz Sensei at Ryushinkan Dojo from 1996 to 2024 and received his Yondan (4th degree black belt) in 2019. 

Edeline Fotheringham, Sensei
Instructor

Edeline Sensei started training at Ikeda Shihan's dojo in Boulder Colorado in 1998. She has enjoyed Martin Katz Sensei's teaching and training since joining the Ryushinkan Dojo since 2016. She currently holds the rank of 3rd-degree black belt (Sandan).

Michael Reaves, Sensei
Instructor

Reaves Sensei began Aikido with Ryushinkan Dojo in 2001 and received his 3rd-degree (Sandan) rank in 2016.

Edward Lai, Sensei
Instructor

Edward Lai began his Aikido training at Ryushinkan Dojo under Martin Katz Sensei in 2004 and currently holds the rank of 3rd-degree black belt (Sandan). He also holds 1st Dan rank in Muso Jikiden Eishin Ryu Iaido. 

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