Dr. Md. Sadiqul Islam completed his MBBS and did FCPS in Medicine. Afterwards, in January 1995 he did Post-Graduate Fellowship in from BCPS, Dhaka. Since then, he served as Consultant - Medicine at different district hospitals in Bangladesh. He obtained Post-Graduate Training in Rheumatology from Royal Wolverhampton Hospital, England. Before joining Apollo Hospitals Dhaka, he was serving as Assistant Professor of Medicine at Khulna Medical College for eight years.