After receiving his Ph.D., he worked at Hebrew Union College’s Jewish Institute of Religion. In 1962, Hallo became assistant curator (and later curator) of the Babylonian Collection and professor of Assyriology at Yale, which he taught until his retirement in 2002.
After earning his Ph.D., Hallo worked at Hebrew Union College’s Jewish Institute of Religion. In 1962, he became a key figure in the Babylonian Collection and professor of Assyriology at Yale, a position he held until his retirement in 2002.