United Studios of Self Defense

USSD is awesome. My son has been doing karate there for over 5 years and absolutely loves it. Jason Sell is excellent with the kids and provides the training and foundation for the sport but...

My two boys, ages 7 and 9, have been benefiting from Jason's unique style and approach for the last 10 months. How do I know that they have benefited, because my oldest son went from a sullen new...

**9/6/2013 Update** Almost 2 years later and I still love coming to my self defense class at USSD Del Mar! I still feel like I am learning new things and challenging my body. And tackling floor...

Our 7 year old daughter has been going to USSD for 1 1/2 year. During that time we have seen an improvement in self confidence and the way she carries herself. Thank you Sansei Jason.

Great martial arts studio. Excellent instructor and overall experience.