On January 23, 2015, Columbia Banking System Inc. announced that Mr. Barry Ray was appointed as the Chief Accounting Officer of the Company. Prior to Mr. Ray's appointment as Chief Accounting Officer, the functions of the principal accounting officer were performed by Mr. Clint Stein in his capacity as Executive Vice President and Chief Financial Officer of the Company. Mr. Ray, joined the Company in 2006 as an Assistant Vice President, Regulatory Reporting Officer.

From January 2010 through July 2012, Mr. Ray served as Vice President, Finance and Reporting, and from August 2012 through January 2015, Mr. Ray served as Senior Vice President, Controller of the Company.