جامعة عين شمس
Qahtan was born in Taiz on 13 December 1952. He graduated from Yemeni Police College in 1976. Then he received a law degree in Sanaa in 1980. He also obtained a master's degree in law from Ain Shams University in Egypt in 1983. In addition, he holds a PhD in public law, which he received again from Ain Shams University in 1991.