Paula Kleen and Allison Polley

Security National Bank Promotes Two Employees

June 1, 2018

SIOUX CITY, Iowa — Security National Bank is pleased to announce the following promotions:

Paula Kleen has been named Bank Secrecy Act (BSA) Officer, overseeing Security National Bank’s reporting and training responsibilities in compliance with the government’s Currency and Foreign Transactions Reporting Act.

She will continue her role as the Bank’s Community Reinvestment Act Officer, a position she has held since 2002. With nearly 20 years of experience at SNB, Kleen has also served as a Commercial Portfolio Manager and Commercial Services Manager. She is a graduate of Briar Cliff University, where she earned her Bachelor of Science degree in Business Administration.

Allison Polley has been promoted to Director of Loan Operations. In her new role, she will oversee the commercial, agriculture, retail and mortgage loan operation functions at Security National Bank’s main branch (located downtown at 6th and Pierce Street).

Polley has worked in several roles at SNB including Financial Services Representative, Loan Operations Specialist, Senior Loan Operations Specialist and Personal Banker. Most recently, she joined the Auditing Department and was promoted to Senior Staff Auditor in 2017. Polley received her Certified Public Accountant (CPA) certification in 2016, and holds a Bachelor of Science degree in Finance from Iowa State University.


Security National Bank is a local, full-service financial institution with branch offices serving customers in Sioux City, Akron, Mapleton, Moville, Lawton and Climbing Hill. Since its founding in 1884, Security National Bank has set the standard for integrity, reliability, innovation and continued commitment to providing customers with superior service. Today, SNB is the largest locally owned bank in Sioux City. Visit the employment opportunities webpage to learn more about ways to advance your career with Security National Bank.