周世宗
After the establishment of Later Zhou in 951, Pan Mei served Chai Rong, the prefect (府尹) of Kaifeng. When Chai became the emperor in 954, Pan was named a court official. He followed Chai on campaigns against the Northern Han kingdom, and after playing a part in the victory at Gaoping, served in the palace commissions. Later he became the military inspector of an expeditionary army preparing to invade the Later Shu kingdom.