Muhammad Obaidur Rahim was born in Kolkata, India. He moved to East Bengal with  his parents in 1952. He studied at St.  Gregory’s High School, Dhaka College and  University of Engineering and Technology,  Lahore, Pakistan. He has a Master of  Technology degree (Mining) from Indian  School of Mines and an MS in engineering  (Mining) from West Virginia University. He is the third son of the late Khuda Buksh. He is the lead general engineer with a  research and development organization in the US government. Rahim has over thirty years of engineering experience particularly on ventilation, maintenance engineering, system design and development and configuration management. Obaidur Rahim enjoys sports, travelling and reading books. He has several technical research reports and papers in prestigious journals.  Rahim is married and has two daughters. He lives in Davenport, Iowa, USA.