Hello! I’m Kaja Sadowski, a martial arts instructor and writer based in Vancouver, Canada. I teach people of all backgrounds how to fight with fists, feet, and swords, and I write about coaching, self defense, and community building. I want to make fighting and the strength it brings accessible to everyone. Join me.

Read My Book!

Front cover image of Fear is the Mind Killer: How to build a training culture that fosters strength and resilience

Fear is the Mind Killer: How to Build a Training Culture that Fosters Strength and Resilience is now available in paperback, hardcover, and e-book formats.

Learn how to design a healthy training environment for students of martial arts, self defense, and more. You’ll get a primer on the science of motor learning and motivation; gain practical tools from policy-writing and classroom strategies, to drilling and stress testing; and understand how to work more effectively with underserved populations, including women and survivors of violence.

Join me on Patreon

Come join a growing community of martial arts practitioners, teachers, and researchers on my Patreon! For as little as $1/month, you get access to weekly video chats; a Discord server for discussion, collaboration, and social time; and behind-the-scenes looks at my major projects. Higher tiers get you monthly consultations and lessons to help you stay on track with your own training, research, and other projects.