Born in 1972 to Late Delder Rahman, a renowned criminal lawyer of greater Khulna, Sk. Ashfaqur Rahman had his secondary and higher secondary education at Satkhira Govt. High School and Satkhira Govt. College in the years of 1988 and 1990 respectively. He obtained Honors and Masters Degree both in law from University of Rajshahi. He then joined Bangladesh Judicial Service through 18th BCS in 1998 as Assistant Judge. Before assuming the present office, he had the opportunity to serve in different tiers of the Judicial Service at field level. He also participated in a number of trainings, seminars and workshops.