Md. Obaid Islam joined Eastern Bank PLC in 1999 as Management Trainee Officer (MTO). Having 25 years of banking experience, he has developed a wide range of expertise at both Branch Banking and Corporate Banking with special focus in International Division (ID), Financial Institutions & Development Fin Institutions (FI, NBFI, MFI, DFI), Offshore Banking (OBU), Operations Division, Trade Services (Import, Export and Guarantee), Trade Sales, Transaction Banking, Treasury Operations (TSU), Credit Division, Correspondent Banking, Foreign Remittance, among others. 

Islam completed his Bachelor of Commerce (Hons) and Masters in Finance & Banking from University of Dhaka. He also obtained Master of Business Administration (MBA) in Marketing from University of Dhaka and completed Banking Professional degree-Diplomaed Associate of Institute of Bankers, Bangladesh (DAIBB).

He is a golfer and was a debater on national television debate competition. He worked closely with global banks and development financial institutions (DFIs).