A pioneer Hungarian sports administrator and sponsor, Brull was president
of the MTK (Hungarian Training Club) from 1905 to 1940, when it disbanded.
He was also president of the International Amateur Wrestling Federation
between 1924 and 1928.
A patron of Hungarian sports, he was president of the Hungarian Soccer
League, a national swimming official, and president of the Hungarian
Gymnastic Society (1908). Brull was interned in Auschwitz concentration
camp in 1941 and died in 1944.