Welcome To our USSD Dojo in

Menlo Park

USSD Menlo Park delivers more than martial art skills—it fosters life-ready character.

Chief Instructor Riyen Bernaldez inspires local teens and families by applying martial arts values to everyday school and personal growth.

The dojo empowers students to handle pressure, make intentional choices, and lead with composure—reflecting the thoughtful, driven ethos of Silicon Valley.

Our Students Say...

We have been going here for a little over year, and the way that the instructors work with the kids is absolutely outstanding!

Martin B.

Great instructors and a wonderful atmosphere in the dojo. Their flexibility with juggling multiple sports has made a huge difference in my son being able to continue martial arts for so many years.

Susan F.

My son and daughter started taking karate at USSD about 6 months ago and they both love it!

Rebekah D.
Meet the Chief Instructor

Riyen Bernaldez

Our friendly staff at USSD offers a variety of personalized training options curated to your individual needs and goals.  We can't wait to train with you!

His mission is to help others apply martial arts lessons to life, just as discipline helped him succeed in school.

Read More
More Services:
  • Women's Self Defense
  • Weapons Training
  • Anti-Bullying Classes
  • Corporate Team Building
  • Birthday Parties
Other Instructors:
  • Ben Kohn
  • Maya Feodorov

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