Leon Jay - Seminar

We are excited to host a 3 hour, Small Circle Jujitsu Clinic, with Grandmaster Leon Jay and Grandmaster David Rhodes, on Saturday 2.21.26. Small Circle Jujitsu is a self-defense system that can be used by ANYONE - and is known for:


  • Self-defense effectiveness:

Techniques are designed to be practical and effective in real-life situations. 

  • Adaptability:

Can be used against a variety of attackers and body types due to its focus on leverage and flow. 

  • Improved coordination and agility:

Training promotes smooth movements and quick reactions. 

  • Mind-body connection:

Focus on being aware of the opponent's movements and responding with precise techniques. 

  • Physical fitness:

Incorporates various movements that build strength, flexibility, and endurance. 


Don't miss this rare opportunity to learn this subtle, yet highly effective method of self-defense!

When: Saturday Feb 21, 2026 – 1:00 – 4:00 pm


Cost: $60 - Pre-Register prior to 1.31.26 on Zen Planner at:


https://510judo.sites.zenplanner.com/event.cfm?eventId=ABE47F50-4D3C-4E92-AEFC-94701D0B4334


$75 - Registration after 1.31.26 and Same Day Registration In Person at 510 Judo - 1029 MacArthur Blvd. San Leandro


Who: This clinic is open to EVERYONE interested in a safe and effective method of self-defense.

For more info contact - Professor David Quinonez - [email protected] - 925-895-6733


Date: February 21, 2026
Time: 1:00 PM to 4:00 PM
Location: 510 dojo
Spaces Left: 30 Capacity: 40
Event Prices:
$60.00 - Registration prior to 1.31.26
$75.00 - Registration after 1.31.26

Registration is closed for this event.