Md Monwar is currently serving as deputy permanent representative at the permanent mission of Bangladesh to the UN in New York. He joined the service in 2001.

Hailing from Rajshahi, Md Monwar Hossain obtained his MBBS degree from Chattogram Medical College. Later on, he did his Masters of Science in Health Policy, Planning and Financing from University of London and a PhD in Public Health Communication from Nanyang Technological University, Singapore.