Graduated from Dhaka Dental College and started career as private dental practitioner in Dhaka. As part of professional development moved to UK and joined as honorary clinical attachment at Glan Clwyd Hospital NHS Trust of Wales. Later  worked at the Central Manchester University Hospital, North Staffordshire University Hospital, Royal Wolverhampton Hospital of NHS Trust of England (2008-2012) as full time dental resident.

Received dental practice license  of Dubai Health Authority (DHA) , UAE (2016) and served the international community for some period.

He enrolled full time training (Royal College of Surgeons of UK affiliated) in Oral Surgery and Dental Implant at Saveetha Dental College and Hospital, Chennai (2007-2008), one of the very well-known dental college in India. Dr Rahman completed specialist fellowship training (FCPS) in Orthodontics at Dhaka Dental College Hospital and  awarded FCPS degree in orthodontics and dentofacial orthopedics .