Columbia Banking System Inc., the parent company of Columbia Bank, has promoted Brock Lakely as senior vice president, chief accounting officer of the company and the bank, effective June 1, 2018. Lakely, who has been vice president, director of Accounting since August 2015, has held senior positions in the accounting department at Columbia since joining the Bank in September 2011. Lakely replaces Barry Ray as chief accounting officer, following Ray's announced departure from the company.