The story
Founded by Robert Trias in 1948.1
Private company
United States Karate Association
The United States Karate Association) (USKA) was the first karate organization on the mainland United States, founded by Robert Trias in 1948. The USKA became one of the largest associations of karate instructors in the nation, and through this organization Trias was also instrumental in setting up and promoting some of the first karate tournaments in the US in 1955, as well as national and worldwide competitions. The USKA rules for tournament competition are still used today in the United States with only slight variation.2 It is headquartered in Phoenix.1 It ceased to exist in 1999.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
1948Founded1
- HeadquartersPhoenix1
See how the biggest companies compare on our leaderboards
The United States Karate Association) (USKA) was the first karate organization on the mainland United States, founded by Robert Trias in 1948.2
Leadership
Who has led United States Karate Association, and when. Pick a name to see everywhere that person has worked.
- FounderRobert Trias1
Timeline
Links
- WikipediaUnited States Karate Association
- WikidataQ4005653
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2