Welcome to the American Traditional Jiu Jitsu website. American Traditional Brazilian Jiu Jitsu Association(ATBJJA) brought to America by Gustavo Cortes. Master Gustavo Cortes (6th Degree) is a student of Grandmaster Jose Gomes. Grandmaster Jose Gomes is the brother of Ivan Gomes and this lineage can be studied on our history page. This history is often left out of the current history as told by many Brazilian Jiu Jitsu practitioners.