The American Taekwondo Association (ATA) was founded in 1969 in Omaha, Nebraska by Haeng Ung Lee of South Korea. It is one of the largest Taekwondo organizations in the United States, and in association with the Songahm Taekwondo Federation (STF) and World Traditional Taekwondo Union (WTTU), is one of the largest in the world. The ATA is currently headquartered in Little Rock, Arkansas and led by Grand Master Soon Ho Lee.
See more at Wikipedia.org...