Career
In 1523 he went to Jerusalem, but in a short time returned to Salonica. There he met Jacob Berab, with whom he often came into conflict on questions of rabbinical law. A serious quarrel broke out between these two rabbis when Berab, becoming chief rabbi of Safed, reintroduced the ancient practice of the ordination of rabbis.
This controversy was chiefly responsible for the fact that the practice of ordination ceased again soon after Berab"s death.