Fujiwara no Nakamaro
Under the administration of Fujiwara no Nakamaro, Kiyomaro advanced steadily. He was promoted to in 757, in 759. In 762 he rose to , and at the end of the year Kiyomaro was promoted to "sangi", joining the ranks of the "kugyō" along with Nakamaro's sons Kusumaro and Asakari. In this same year he also served with Kusumaro and in the empresses' palace, transmitting imperial decrees. In 763 he was promoted to and director of Settsu Province. Early in 764, he was promoted to .