In 1927, he was chosen to go to the United States for further training, and specialized at the Mount Sinai Hospital in New York. Following his return from the United States, he worked at Jerusalem's Hadassah Hospital on Mount Scopus. In 1949, following the evacuation of the Mount Scopus facility as a result of it being cut off by Arab forces, he moved with the hospital to temporary facilities before moving in 1961 to the new Hadassah Hospital in Ein Kerem, in southwest Jerusalem.