Career
Geo opened the first Jujitsu/Judo school in Brazil in 1909. He taught in Rio de Janeiro, and in 1925 opened a school in São Paulo Paulo. He was instrumental in the establishment of Brazilian jiu-jitsu by establishing the first Jujitu school in Japan in São Paulo Paulo.
His other student included Carlos Pereira.
He was one of the first kings of mixed martial arts of his era. He sparked the Vale Tudo craze of the 1920s and 1930s in Brazil.
Geo had an extensive fight history engaging fighters of various styles including capoeira, boxing, and wrestling. His feud with Carlos Gracie is well documented.
One place of a documented fight of his was Circus Queirolos, a Brazilian Circus.
His death in 1938 was attributed to food poisoning.