Boulder Quest Owner

Mary Aitoshi II is renowned for her success both as a martial artist and an entrepreneur. As a 4th degree Black Belt in To-Shin Do ninjutsu, she leads with great spirit and vision. through group classes, private instruction, and personal coaching, she specializes in helping people find their way to personal power, presenting her martial and spiritual insights based on the needs and context of her students.

Boulder Quest Instructors and Staff

Each Coach, Trainer, and Instructor at the Boulder Quest Center is a graduate of An-shu Stephen K. Hayes‘ SKH Quest Center Leadership College, schooled in how to help you discover your own insights into personal power, resourcefulness, broad vision, peace of mind, and happiness. They also bring their own deep talents and backgrounds and integrate those with their teaching style, so that you have access to a truly astonishing array of talents and histories through our staff.


Ian Sanderson is our Head Instructor. He amazes everyone with his outdoor skills, tracking, and knife-fighting. He is also highly trained as a group and individual facilitator in wilderness and civilized settings. He teaches adult and youth To-Shin Do classes, private lessons, and our popular Ninja Secrets class presenting advanced tactical concepts.


Zipporah “Zippy” Paiss teaches youth and Mighty dragons class with youthful vitality and exuberance. She is gifted in teaching physical skills and can coax amazing prowess out of any student. Her charm and enthusiasm inspire others to be their best. Articles by Zippy: What Zippy Likes About Being a Ninja. How To-Shin Do Saved My Life.

Bert Gehorsam (aka The Dude) has been training on the ninja path since November of 2010. He finds To Shin Do is beneficial for health, spirit and a valuable community of friends. He especially enjoys training with his young son. He believes that (even for an old guy like him ) training provides substantial benefits for both mind and body health. Bert is a philosopher of what is practical in life. His approach to life is genuine, compassionate and often filled with humor and joy. He is steadfast in his commitment to family and friends. He is experienced at finding what needs to be done and getting it done. He is also careful to focus his energies on what is important and not be distracted by what is not. He applies these principals in his life and in his martial arts. Bert takes life as it comes. The Dude abides.

Casey Toland is a Texan transplant who moved to CO with the intention to teach and train in to-Shin Do. He and his wife Loy brighten the dojo with their training enthusiasm. Casey specializes in promoting realistic training and physical fitness.

Audrey Lieb is another teen phenom. She leads Mighty Dragons classes and specializes in helping kids be their best. She’s also training on a Teen Swat Team and using her To-Shin Do skills to train for a future career as a super spy.

Jeff Blockwick is known as the ninja brewer at his full-time job at Left Hand Brewing. From lab coat to gi, Jeff brings a genuine joy to his training. He’s travelled to Japan multiple times and brings a sense of the historical Japanese roots to his instruction.

Jay Hogan brings extensive experience in other martial arts styles. He loves the combination of body and mind training offered at the BQC.


Keegan Smith is the dojo’s executive Office Ninja. He is backed up by Chris Akins and Chris Chandler. He takes care of you throughout your BQC experience.

We look forward to sharing our martial art, community and lineage with you!

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