Md Mustafa Khair has recently been promoted as the deputy managing director of First Security Islami Bank. Prior to the promotion, Khair has been serving the bank as senior executive vice president, the bank said in a statement. He started his banking career at Bangladesh Shilpa Rin Sangstha, which is now known as Bangladesh Development Bank. He also worked with IFIC Bank and Dutch-Bangla Bank before joining First Security Islami Bank in 2006, according to the statement.