Mr. Obaidul Quader was born on January 01, 1950 in Bara Rajapur, a village under Companiganj Upazilla of Noakhali.
His father Mosharrof Hussain studied at Calcutta Islamia College and happened to be a classmate of Bangabandhu Sheikh Mujibur Rahman.
Quitting civil service his father engaged himself with noble teaching profession. His mother Fazilatunessa was from an noble Muslim family.
Always a commendable student, Mr. Obaidul Quader matriculated from Basurhat Government A.H.C. High School and got first division.
He completed his HSC