SAN DIEGO, Calif., Sept. 15, 2015 (SEND2PRESS NEWSWIRE) -- Bank of Southern California, N.A. (OTCQB:FBBN / OTCMKTS:FBBN) welcomes Tom Welch as Senior Vice President, SBA Department Manager and Tammy DeWitt as Vice President, SBA Loan Underwriting Manager to its seasoned team of Southern California bankers. Both Mr. Welch and Ms. Dewitt have been in the banking industry for 37 years and both have over 27 years of SBA and conventional lending and relationship management experience.