Pastoral reforms and the clergy
The defining concern of Gennadius's patriarchate in the sources is the formation and discipline of the clergy. The synaxarion relates that he arranged with great care for the training of the sacred clergy and would not ordain a candidate who had not studied the Psalter and could not interpret it.
In 459 he summoned a council that condemned simony, the purchase of ecclesiastical office, and issued an encyclical against the practice. According to the tradition this encyclical was afterward affirmed by later Ecumenical Councils. He also appointed Marcian, a former Novatianist who had returned to the Church, to administer the goods of the church.