He became head of the Russian ORT in 1908 and later of the World ORT when its headquarters moved to Berlin in 1920, and cofounded in 1922 the American ORT Federation with Aaron Syngalowski (1890–1956).[2]
At least two schools still in activity in 2009 bear his name: the Bramson ORT College in New York City and the Lycée Professionnel Léon Bramson ORT in Marseille.