He is the current president of Asia Pacific League of Associations for Rheumatology for 2018–2020 tenure.
[1][2] He is the founding chairman of department of rheumatology in Bangabandhu Sheikh Mujib Medical University, Dhaka.
He then completed the FCPS (Medicine) degree from Bangladesh College of Physicians and Surgeons.
[4] He currently works as a Rheumatology & Medicine Specialist at Bangabandhu Sheikh Mujib Medical University.
[5] Haq was the head of the department of medicine from 2009 to 2012 in Bangabandhu Sheikh Mujib Medical University, Dhaka.