Chai Rong
In 951, Guo Wei rebelled and created the Later Zhou dynasty. Because of his brilliant combat skills, Zhao Kuangyin was promoted to a palace guard commander. Chai Rong (Emperor Shizong of Later Zhou) frequently met Guo Wei and noticed Zhao Kuangyin's potential. Under his command, Zhao Kuangyin was made into a commander of the cavalry units. Under Chai Rong, Zhao Kuangyin's rise to power had begun.